nih-gov/www.ncbi.nlm.nih.gov/omim/255960

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Entry
- #255960 - MYXOMA, INTRACARDIAC
- OMIM
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<span class="h4">#255960</span>
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<a href="/clinicalSynopsis/255960"><strong>Clinical Synopsis</strong></a>
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<a href="#clinicalFeatures">Clinical Features</a>
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<a href="#inheritance">Inheritance</a>
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<a href="#molecularGenetics">Molecular Genetics</a>
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<a href="#references"><strong>References</strong></a>
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<a href="#contributors"><strong>Contributors</strong></a>
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<strong>SNOMEDCT:</strong> 233855002<br />
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MYXOMA, INTRACARDIAC
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ATRIAL MYXOMA, FAMILIAL
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Location
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Phenotype
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Phenotype <br /> MIM number
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Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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Gene/Locus <br /> MIM number
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<span class="mim-font">
<a href="/geneMap/17/881?start=-3&limit=10&highlight=881">
17q24.2
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Myxoma, intracardiac
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<a href="/entry/255960"> 255960 </a>
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<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
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<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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PRKAR1A
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<span class="mim-font">
<a href="/entry/188830"> 188830 </a>
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<strong> INHERITANCE </strong>
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- Autosomal dominant <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/263681008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">263681008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/771269000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">771269000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0443147&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0443147</a>, <a href="https://bioportal.bioontology.org/search?q=C1867440&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1867440</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000006</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000006</a>]</span><br />
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<strong> CARDIOVASCULAR </strong>
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- Left atrial myxoma <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0518959&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0518959</a>]</span><br /> -
Right atrial myxoma <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0518960&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0518960</a>]</span><br /> -
Pulmonic valve myxoma <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4025002&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4025002</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006691" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006691</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006691" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006691</a>]</span><br /> -
Bacterial endocarditis susceptible <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4478280&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4478280</a>]</span><br />
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<strong> MOLECULAR BASIS </strong>
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- Caused by mutation in the protein kinase, cAMP-dependent, regulatory, type I, alpha gene (PRKAR1A, <a href="/entry/188830#0004">188830.0004</a>)<br />
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<p>A number sign (#) is used with this entry because in some instances intracardiac myxoma is a solitary manifestation of heterozygous mutation in the PRKAR1A gene on chromosome 17q24.</p><p>Atrial myxoma is a component of the Carney complex (<a href="/entry/160980">160980</a>), which is also caused by mutation in the PRKAR1A gene.</p>
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<p><a href="#11" class="mim-tip-reference" title="Krause, S., Adler, L. N., Reddy, P. S., Magovern, G. J. &lt;strong&gt;Intracardiac myxoma in siblings.&lt;/strong&gt; Chest 60: 404-406, 1971.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/5115867/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;5115867&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1378/chest.60.4.404&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="5115867">Krause et al. (1971)</a> treated a 34-year-old patient with a pulmonic valve myxoma complicated by bacterial endocarditis. A brother of the patient had died at age 25 years of left atrial myxoma. Two other sibs had had rheumatic heart disease. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=5115867" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#8" class="mim-tip-reference" title="Heydorn, W. H., Gomez, A. C., Kleid, J. J., Haas, J. J. &lt;strong&gt;Atrial myxoma in siblings.&lt;/strong&gt; J. Thorac. Cardiovasc. Surg. 65: 484-486, 1973.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/4686668/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;4686668&lt;/a&gt;]" pmid="4686668">Heydorn et al. (1973)</a> reported the occurrence of atrial myxoma in 2 teenaged brothers. <a href="#10" class="mim-tip-reference" title="Kleid, J. J., Klugman, J., Haas, J. M., Battock, D. &lt;strong&gt;Familial atrial myxoma.&lt;/strong&gt; Am. J. Cardiol. 32: 361-364, 1973.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/4725591/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;4725591&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s0002-9149(73)80147-x&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="4725591">Kleid et al. (1973)</a> described left atrial myxoma in a 14-year-old boy and a right atrial myxoma in his 16-year-old brother. <a href="#5" class="mim-tip-reference" title="Farah, M. G. &lt;strong&gt;Familial atrial myxoma.&lt;/strong&gt; Ann. Intern. Med. 83: 358-360, 1975.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1180432/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;1180432&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.7326/0003-4819-83-3-358&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="1180432">Farah (1975)</a> reported affected brother and sister. <a href="#14" class="mim-tip-reference" title="Siltanen, P., Tuuteri, L., Norio, R., Tala, P., Ahrenberg, P., Halonen, P. I. &lt;strong&gt;Atrial myxoma in a family.&lt;/strong&gt; Am. J. Cardiol. 38: 252-256, 1976.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/133607/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;133607&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/0002-9149(76)90158-2&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="133607">Siltanen et al. (1976)</a> reported myxoma in a mother and all 3 of her sons. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=133607+4725591+1180432+4686668" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#13" class="mim-tip-reference" title="Powers, J. C., Falkoff, M., Heinle, R. A., Nanda, N. C., Ong, L. S., Weiner, R. S., Barold, S. S. &lt;strong&gt;Familial cardiac myxoma: emphasis on unusual clinical manifestations.&lt;/strong&gt; J. Thorac. Cardiovasc. Surg. 77: 782-788, 1979.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/431115/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;431115&lt;/a&gt;]" pmid="431115">Powers et al. (1979)</a> described myxoma in father and daughter. The daughter had an infected right ventricular myxoma that was mistaken for valvular bacterial endocarditis. The father had a right atrial myxoma associated with atrial septal defect and mitral valve prolapse, and findings suggestive of paradoxical emboli. <a href="#7" class="mim-tip-reference" title="Grauer, K., Grauer, M. C. &lt;strong&gt;Familial atrial myxoma with bilateral recurrence.&lt;/strong&gt; Heart Lung 12: 600-602, 1983.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/6556173/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;6556173&lt;/a&gt;]" pmid="6556173">Grauer and Grauer (1983)</a> reported affected father and daughter. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=431115+6556173" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#6" class="mim-tip-reference" title="Farah, M. G. &lt;strong&gt;Familial cardiac myxoma: a study of relatives of patients with myxoma.&lt;/strong&gt; Chest 105: 65-68, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8275787/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;8275787&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1378/chest.105.1.65&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="8275787">Farah (1994)</a> used 2-dimensional echocardiography to study relatives of 14 patients with cardiac myxoma. Four family members from 2 different families were found to have cardiac myxoma. The first family included a brother and a sister, both with acromegaly, suggesting a syndromal form of myxoma. <a href="#6" class="mim-tip-reference" title="Farah, M. G. &lt;strong&gt;Familial cardiac myxoma: a study of relatives of patients with myxoma.&lt;/strong&gt; Chest 105: 65-68, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8275787/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;8275787&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1378/chest.105.1.65&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="8275787">Farah (1994)</a> stated that 'none of the family members had skin tumors, abnormal pigmentation, other tumors or evidence of endocrine disease.' In the family in which a brother and sister had atrial myxoma and acromegaly, he also stated that 'a complete study of all members of this family was not possible because some members refused the echocardiographic studies provided free.' It should be noted that the association of acromegaly with familial myxoma was reported by <a href="#2" class="mim-tip-reference" title="Carney, J. A., Gordon, H., Carpenter, P. C., Shenoy, B. V., Go, V. L. W. &lt;strong&gt;The complex of myxomas, spotty pigmentation, and endocrine overactivity.&lt;/strong&gt; Medicine 64: 270-283, 1985.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/4010501/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;4010501&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/00005792-198507000-00007&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="4010501">Carney et al. (1985)</a>. Thus, it seems likely that the sibs in fact had Carney syndrome. Indeed, the sister would appear to have been case 14 of <a href="#2" class="mim-tip-reference" title="Carney, J. A., Gordon, H., Carpenter, P. C., Shenoy, B. V., Go, V. L. W. &lt;strong&gt;The complex of myxomas, spotty pigmentation, and endocrine overactivity.&lt;/strong&gt; Medicine 64: 270-283, 1985.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/4010501/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;4010501&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/00005792-198507000-00007&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="4010501">Carney et al. (1985)</a>. In that report, the brother was in fact said to have pigmented spots of the face and lips and had had nodular and pedunculated myxomas of the skin removed. The mother and 3 out of 7 children had cardiac myxoma. <a href="#6" class="mim-tip-reference" title="Farah, M. G. &lt;strong&gt;Familial cardiac myxoma: a study of relatives of patients with myxoma.&lt;/strong&gt; Chest 105: 65-68, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8275787/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;8275787&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1378/chest.105.1.65&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="8275787">Farah (1994)</a> concluded that cardiac myxoma was more frequently found in family members when the proband had right-sided or bilateral myxoma; that patients with familial cardiac myxoma are younger than the nonfamilial cases; and that long-term recurrence is more frequent. Cardiac myxomas of Carney complex are histologically indistinguishable from more common sporadic cardiac myxomas and, like the latter, most often arise in the left atrium at the fossa ovalis (<a href="#1" class="mim-tip-reference" title="Carney, J. A. &lt;strong&gt;Differences between nonfamilial and familial cardiac myxoma.&lt;/strong&gt; Am. J. Surg. Path. 9: 53-55, 1985.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/3970298/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;3970298&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/00000478-198501000-00009&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="3970298">Carney, 1985</a>). However, unlike sporadic cardiac myxomas, which most often occur as isolated single lesions in middle-aged women and which are usually amenable to surgical resection, syndromic cardiac myxomas exhibit no age or sex preference and may present as multiple concurrent lesions in any cardiac chamber. Affected individuals may have multiple recurrences at any cardiac location despite adequate surgical margins. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=3970298+4010501+8275787" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>In a review of the literature, <a href="#15" class="mim-tip-reference" title="van Gelder, H. M., O&#x27;Brien, D. J., Staples, E. D., Alexander, J. A. &lt;strong&gt;Familial cardiac myxoma.&lt;/strong&gt; Ann. Thorac. Surg. 53: 419-424, 1992.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1540058/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;1540058&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/0003-4975(92)90261-2&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="1540058">van Gelder et al. (1992)</a> noted 15 families with myxoma of the heart, to which they added 2 more. The patients were young (mean age 27 years) with multicenteric lesions in 22% of the cases. In 61%, the tumors occurred in the left atrium, with a recurrence rate of 10% after removal. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1540058" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#3" class="mim-tip-reference" title="Dandolu, B. R., Iyer, K. S., Das, B., Venugopal, P. &lt;strong&gt;Nonsyndrome familial atrial myxoma in two generations.&lt;/strong&gt; J. Thorac. Cardiovasc. Surg. 110: 872-874, 1995.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7564466/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;7564466&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/S0022-5223(95)70131-1&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="7564466">Dandolu et al. (1995)</a> described a family in which the mother had biatrial myxoma with stalks growing from either side of the interatrial septum. A son and a daughter of hers had atrial myxoma and a 12-year-old son had died suddenly after having cardiac symptoms consistent with myxoma. No signs indicative of Carney syndrome were found. <a href="#3" class="mim-tip-reference" title="Dandolu, B. R., Iyer, K. S., Das, B., Venugopal, P. &lt;strong&gt;Nonsyndrome familial atrial myxoma in two generations.&lt;/strong&gt; J. Thorac. Cardiovasc. Surg. 110: 872-874, 1995.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7564466/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;7564466&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/S0022-5223(95)70131-1&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="7564466">Dandolu et al. (1995)</a> suggested autosomal dominant inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=7564466" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<p>From a review of the literature, <a href="#15" class="mim-tip-reference" title="van Gelder, H. M., O&#x27;Brien, D. J., Staples, E. D., Alexander, J. A. &lt;strong&gt;Familial cardiac myxoma.&lt;/strong&gt; Ann. Thorac. Surg. 53: 419-424, 1992.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1540058/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;1540058&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/0003-4975(92)90261-2&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="1540058">van Gelder et al. (1992)</a> concluded that the mode of inheritance of myxoma of the heart appears to be autosomal dominant. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1540058" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="molecularGenetics" class="mim-anchor"></a>
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<strong>Molecular Genetics</strong>
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<p><a href="#12" class="mim-tip-reference" title="Liebler, G. A., Magovern, G. J., Park, S. B., Cushing, W. J., Begg, F. R., Joyner, C. R. &lt;strong&gt;Familial myxomas in four siblings.&lt;/strong&gt; J. Thorac. Cardiovasc. Surg. 71: 605-608, 1976.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1263542/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;1263542&lt;/a&gt;]" pmid="1263542">Liebler et al. (1976)</a> described a family in which 4 sibs had intracardiac myxomas. <a href="#9" class="mim-tip-reference" title="Kirschner, L. S., Carney, J. A., Pack, S. D., Taymans, S. E., Giatzakis, C., Cho, Y. S., Cho-Chung, Y. S., Stratakis, C. A. &lt;strong&gt;Mutations of the gene encoding the protein kinase A type I-alpha regulatory subunit in patients with the Carney complex.&lt;/strong&gt; Nature Genet. 26: 89-92, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10973256/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;10973256&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/79238&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="10973256">Kirschner et al. (2000)</a>, who stated that this family had no other manifestations of the Carney myxoma-endocrine complex (<a href="/entry/160980">160980</a>), demonstrated a specific mutation in the PRKAR1A gene (<a href="/entry/188830#0004">188830.0004</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=1263542+10973256" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="seeAlso" class="mim-anchor"></a>
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<strong>See Also:</strong>
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<a href="#Dewald1987" class="mim-tip-reference" title="Dewald, G. W., Dahl, R. J., Spurbeck, J. L., Carney, J. A., Gordon, H. &lt;strong&gt;Chromosomally abnormal clones and nonrandom telomeric translocations in cardiac myxomas.&lt;/strong&gt; Mayo Clin. Proc. 62: 558-567, 1987.">Dewald et al. (1987)</a>
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<a id="references"class="mim-anchor"></a>
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<a id="1" class="mim-anchor"></a>
<a id="Carney1985" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Carney, J. A.
<strong>Differences between nonfamilial and familial cardiac myxoma.</strong>
Am. J. Surg. Path. 9: 53-55, 1985.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/3970298/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">3970298</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=3970298" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1097/00000478-198501000-00009" target="_blank">Full Text</a>]
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<a id="2" class="mim-anchor"></a>
<a id="Carney1985" class="mim-anchor"></a>
<div class="">
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Carney, J. A., Gordon, H., Carpenter, P. C., Shenoy, B. V., Go, V. L. W.
<strong>The complex of myxomas, spotty pigmentation, and endocrine overactivity.</strong>
Medicine 64: 270-283, 1985.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/4010501/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">4010501</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=4010501" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1097/00005792-198507000-00007" target="_blank">Full Text</a>]
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<a id="Dandolu1995" class="mim-anchor"></a>
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<p class="mim-text-font">
Dandolu, B. R., Iyer, K. S., Das, B., Venugopal, P.
<strong>Nonsyndrome familial atrial myxoma in two generations.</strong>
J. Thorac. Cardiovasc. Surg. 110: 872-874, 1995.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/7564466/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">7564466</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=7564466" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/S0022-5223(95)70131-1" target="_blank">Full Text</a>]
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<a id="4" class="mim-anchor"></a>
<a id="Dewald1987" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Dewald, G. W., Dahl, R. J., Spurbeck, J. L., Carney, J. A., Gordon, H.
<strong>Chromosomally abnormal clones and nonrandom telomeric translocations in cardiac myxomas.</strong>
Mayo Clin. Proc. 62: 558-567, 1987.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/3586714/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">3586714</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=3586714" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/s0025-6196(12)62293-9" target="_blank">Full Text</a>]
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<a id="Farah1975" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Farah, M. G.
<strong>Familial atrial myxoma.</strong>
Ann. Intern. Med. 83: 358-360, 1975.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/1180432/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">1180432</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1180432" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.7326/0003-4819-83-3-358" target="_blank">Full Text</a>]
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<a id="6" class="mim-anchor"></a>
<a id="Farah1994" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Farah, M. G.
<strong>Familial cardiac myxoma: a study of relatives of patients with myxoma.</strong>
Chest 105: 65-68, 1994.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/8275787/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">8275787</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8275787" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1378/chest.105.1.65" target="_blank">Full Text</a>]
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<a id="7" class="mim-anchor"></a>
<a id="Grauer1983" class="mim-anchor"></a>
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<p class="mim-text-font">
Grauer, K., Grauer, M. C.
<strong>Familial atrial myxoma with bilateral recurrence.</strong>
Heart Lung 12: 600-602, 1983.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/6556173/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">6556173</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=6556173" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
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<a id="8" class="mim-anchor"></a>
<a id="Heydorn1973" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Heydorn, W. H., Gomez, A. C., Kleid, J. J., Haas, J. J.
<strong>Atrial myxoma in siblings.</strong>
J. Thorac. Cardiovasc. Surg. 65: 484-486, 1973.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/4686668/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">4686668</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=4686668" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
</p>
</div>
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<li>
<a id="9" class="mim-anchor"></a>
<a id="Kirschner2000" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Kirschner, L. S., Carney, J. A., Pack, S. D., Taymans, S. E., Giatzakis, C., Cho, Y. S., Cho-Chung, Y. S., Stratakis, C. A.
<strong>Mutations of the gene encoding the protein kinase A type I-alpha regulatory subunit in patients with the Carney complex.</strong>
Nature Genet. 26: 89-92, 2000.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10973256/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10973256</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10973256" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/79238" target="_blank">Full Text</a>]
</p>
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<a id="10" class="mim-anchor"></a>
<a id="Kleid1973" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Kleid, J. J., Klugman, J., Haas, J. M., Battock, D.
<strong>Familial atrial myxoma.</strong>
Am. J. Cardiol. 32: 361-364, 1973.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/4725591/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">4725591</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=4725591" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/s0002-9149(73)80147-x" target="_blank">Full Text</a>]
</p>
</div>
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<a id="11" class="mim-anchor"></a>
<a id="Krause1971" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Krause, S., Adler, L. N., Reddy, P. S., Magovern, G. J.
<strong>Intracardiac myxoma in siblings.</strong>
Chest 60: 404-406, 1971.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/5115867/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">5115867</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=5115867" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1378/chest.60.4.404" target="_blank">Full Text</a>]
</p>
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<a id="12" class="mim-anchor"></a>
<a id="Liebler1976" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Liebler, G. A., Magovern, G. J., Park, S. B., Cushing, W. J., Begg, F. R., Joyner, C. R.
<strong>Familial myxomas in four siblings.</strong>
J. Thorac. Cardiovasc. Surg. 71: 605-608, 1976.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/1263542/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">1263542</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1263542" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
</p>
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<a id="13" class="mim-anchor"></a>
<a id="Powers1979" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Powers, J. C., Falkoff, M., Heinle, R. A., Nanda, N. C., Ong, L. S., Weiner, R. S., Barold, S. S.
<strong>Familial cardiac myxoma: emphasis on unusual clinical manifestations.</strong>
J. Thorac. Cardiovasc. Surg. 77: 782-788, 1979.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/431115/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">431115</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=431115" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
</p>
</div>
</li>
<li>
<a id="14" class="mim-anchor"></a>
<a id="Siltanen1976" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Siltanen, P., Tuuteri, L., Norio, R., Tala, P., Ahrenberg, P., Halonen, P. I.
<strong>Atrial myxoma in a family.</strong>
Am. J. Cardiol. 38: 252-256, 1976.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/133607/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">133607</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=133607" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/0002-9149(76)90158-2" target="_blank">Full Text</a>]
</p>
</div>
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<a id="15" class="mim-anchor"></a>
<a id="van Gelder1992" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
van Gelder, H. M., O'Brien, D. J., Staples, E. D., Alexander, J. A.
<strong>Familial cardiac myxoma.</strong>
Ann. Thorac. Surg. 53: 419-424, 1992.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/1540058/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">1540058</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1540058" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/0003-4975(92)90261-2" target="_blank">Full Text</a>]
</p>
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Victor A. McKusick - updated : 8/29/2000
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Victor A. McKusick - updated : 8/28/2000
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Victor A. McKusick : 6/4/1986
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carol : 11/22/2011
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alopez : 8/30/2000<br>terry : 8/29/2000<br>terry : 8/28/2000<br>dkim : 7/24/1998<br>terry : 2/6/1996<br>mark : 11/13/1995<br>terry : 5/10/1994<br>mimadm : 3/28/1994<br>carol : 3/14/1994<br>supermim : 3/17/1992<br>supermim : 3/20/1990
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<h3>
<span class="mim-font">
<strong>#</strong> 255960
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<h3>
<span class="mim-font">
MYXOMA, INTRACARDIAC
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<span class="mim-font">
<em>Alternative titles; symbols</em>
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<h4>
<span class="mim-font">
ATRIAL MYXOMA, FAMILIAL
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<span class="mim-text-font">
<strong>SNOMEDCT:</strong> 233855002; &nbsp;
<strong>ORPHA:</strong> 615; &nbsp;
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<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
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<table class="table table-bordered table-condensed small mim-table-padding">
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<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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Gene/Locus <br /> MIM number
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<tbody>
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<td>
<span class="mim-font">
17q24.2
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<span class="mim-font">
Myxoma, intracardiac
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<span class="mim-font">
255960
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<span class="mim-font">
Autosomal dominant
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<span class="mim-font">
3
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<span class="mim-font">
PRKAR1A
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<span class="mim-font">
188830
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</tbody>
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<h4>
<span class="mim-font">
<strong>TEXT</strong>
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<span class="mim-text-font">
<p>A number sign (#) is used with this entry because in some instances intracardiac myxoma is a solitary manifestation of heterozygous mutation in the PRKAR1A gene on chromosome 17q24.</p><p>Atrial myxoma is a component of the Carney complex (160980), which is also caused by mutation in the PRKAR1A gene.</p>
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<h4>
<span class="mim-font">
<strong>Clinical Features</strong>
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</h4>
</div>
<span class="mim-text-font">
<p>Krause et al. (1971) treated a 34-year-old patient with a pulmonic valve myxoma complicated by bacterial endocarditis. A brother of the patient had died at age 25 years of left atrial myxoma. Two other sibs had had rheumatic heart disease. </p><p>Heydorn et al. (1973) reported the occurrence of atrial myxoma in 2 teenaged brothers. Kleid et al. (1973) described left atrial myxoma in a 14-year-old boy and a right atrial myxoma in his 16-year-old brother. Farah (1975) reported affected brother and sister. Siltanen et al. (1976) reported myxoma in a mother and all 3 of her sons. </p><p>Powers et al. (1979) described myxoma in father and daughter. The daughter had an infected right ventricular myxoma that was mistaken for valvular bacterial endocarditis. The father had a right atrial myxoma associated with atrial septal defect and mitral valve prolapse, and findings suggestive of paradoxical emboli. Grauer and Grauer (1983) reported affected father and daughter. </p><p>Farah (1994) used 2-dimensional echocardiography to study relatives of 14 patients with cardiac myxoma. Four family members from 2 different families were found to have cardiac myxoma. The first family included a brother and a sister, both with acromegaly, suggesting a syndromal form of myxoma. Farah (1994) stated that 'none of the family members had skin tumors, abnormal pigmentation, other tumors or evidence of endocrine disease.' In the family in which a brother and sister had atrial myxoma and acromegaly, he also stated that 'a complete study of all members of this family was not possible because some members refused the echocardiographic studies provided free.' It should be noted that the association of acromegaly with familial myxoma was reported by Carney et al. (1985). Thus, it seems likely that the sibs in fact had Carney syndrome. Indeed, the sister would appear to have been case 14 of Carney et al. (1985). In that report, the brother was in fact said to have pigmented spots of the face and lips and had had nodular and pedunculated myxomas of the skin removed. The mother and 3 out of 7 children had cardiac myxoma. Farah (1994) concluded that cardiac myxoma was more frequently found in family members when the proband had right-sided or bilateral myxoma; that patients with familial cardiac myxoma are younger than the nonfamilial cases; and that long-term recurrence is more frequent. Cardiac myxomas of Carney complex are histologically indistinguishable from more common sporadic cardiac myxomas and, like the latter, most often arise in the left atrium at the fossa ovalis (Carney, 1985). However, unlike sporadic cardiac myxomas, which most often occur as isolated single lesions in middle-aged women and which are usually amenable to surgical resection, syndromic cardiac myxomas exhibit no age or sex preference and may present as multiple concurrent lesions in any cardiac chamber. Affected individuals may have multiple recurrences at any cardiac location despite adequate surgical margins. </p><p>In a review of the literature, van Gelder et al. (1992) noted 15 families with myxoma of the heart, to which they added 2 more. The patients were young (mean age 27 years) with multicenteric lesions in 22% of the cases. In 61%, the tumors occurred in the left atrium, with a recurrence rate of 10% after removal. </p><p>Dandolu et al. (1995) described a family in which the mother had biatrial myxoma with stalks growing from either side of the interatrial septum. A son and a daughter of hers had atrial myxoma and a 12-year-old son had died suddenly after having cardiac symptoms consistent with myxoma. No signs indicative of Carney syndrome were found. Dandolu et al. (1995) suggested autosomal dominant inheritance. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Inheritance</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>From a review of the literature, van Gelder et al. (1992) concluded that the mode of inheritance of myxoma of the heart appears to be autosomal dominant. </p>
</span>
<div>
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</div>
<div>
<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Liebler et al. (1976) described a family in which 4 sibs had intracardiac myxomas. Kirschner et al. (2000), who stated that this family had no other manifestations of the Carney myxoma-endocrine complex (160980), demonstrated a specific mutation in the PRKAR1A gene (188830.0004). </p>
</span>
<div>
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<div>
<h4>
<span class="mim-font">
<strong>See Also:</strong>
</span>
</h4>
<span class="mim-text-font">
Dewald et al. (1987)
</span>
<div>
<br />
</div>
</div>
<div>
<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<ol>
<li>
<p class="mim-text-font">
Carney, J. A.
<strong>Differences between nonfamilial and familial cardiac myxoma.</strong>
Am. J. Surg. Path. 9: 53-55, 1985.
[PubMed: 3970298]
[Full Text: https://doi.org/10.1097/00000478-198501000-00009]
</p>
</li>
<li>
<p class="mim-text-font">
Carney, J. A., Gordon, H., Carpenter, P. C., Shenoy, B. V., Go, V. L. W.
<strong>The complex of myxomas, spotty pigmentation, and endocrine overactivity.</strong>
Medicine 64: 270-283, 1985.
[PubMed: 4010501]
[Full Text: https://doi.org/10.1097/00005792-198507000-00007]
</p>
</li>
<li>
<p class="mim-text-font">
Dandolu, B. R., Iyer, K. S., Das, B., Venugopal, P.
<strong>Nonsyndrome familial atrial myxoma in two generations.</strong>
J. Thorac. Cardiovasc. Surg. 110: 872-874, 1995.
[PubMed: 7564466]
[Full Text: https://doi.org/10.1016/S0022-5223(95)70131-1]
</p>
</li>
<li>
<p class="mim-text-font">
Dewald, G. W., Dahl, R. J., Spurbeck, J. L., Carney, J. A., Gordon, H.
<strong>Chromosomally abnormal clones and nonrandom telomeric translocations in cardiac myxomas.</strong>
Mayo Clin. Proc. 62: 558-567, 1987.
[PubMed: 3586714]
[Full Text: https://doi.org/10.1016/s0025-6196(12)62293-9]
</p>
</li>
<li>
<p class="mim-text-font">
Farah, M. G.
<strong>Familial atrial myxoma.</strong>
Ann. Intern. Med. 83: 358-360, 1975.
[PubMed: 1180432]
[Full Text: https://doi.org/10.7326/0003-4819-83-3-358]
</p>
</li>
<li>
<p class="mim-text-font">
Farah, M. G.
<strong>Familial cardiac myxoma: a study of relatives of patients with myxoma.</strong>
Chest 105: 65-68, 1994.
[PubMed: 8275787]
[Full Text: https://doi.org/10.1378/chest.105.1.65]
</p>
</li>
<li>
<p class="mim-text-font">
Grauer, K., Grauer, M. C.
<strong>Familial atrial myxoma with bilateral recurrence.</strong>
Heart Lung 12: 600-602, 1983.
[PubMed: 6556173]
</p>
</li>
<li>
<p class="mim-text-font">
Heydorn, W. H., Gomez, A. C., Kleid, J. J., Haas, J. J.
<strong>Atrial myxoma in siblings.</strong>
J. Thorac. Cardiovasc. Surg. 65: 484-486, 1973.
[PubMed: 4686668]
</p>
</li>
<li>
<p class="mim-text-font">
Kirschner, L. S., Carney, J. A., Pack, S. D., Taymans, S. E., Giatzakis, C., Cho, Y. S., Cho-Chung, Y. S., Stratakis, C. A.
<strong>Mutations of the gene encoding the protein kinase A type I-alpha regulatory subunit in patients with the Carney complex.</strong>
Nature Genet. 26: 89-92, 2000.
[PubMed: 10973256]
[Full Text: https://doi.org/10.1038/79238]
</p>
</li>
<li>
<p class="mim-text-font">
Kleid, J. J., Klugman, J., Haas, J. M., Battock, D.
<strong>Familial atrial myxoma.</strong>
Am. J. Cardiol. 32: 361-364, 1973.
[PubMed: 4725591]
[Full Text: https://doi.org/10.1016/s0002-9149(73)80147-x]
</p>
</li>
<li>
<p class="mim-text-font">
Krause, S., Adler, L. N., Reddy, P. S., Magovern, G. J.
<strong>Intracardiac myxoma in siblings.</strong>
Chest 60: 404-406, 1971.
[PubMed: 5115867]
[Full Text: https://doi.org/10.1378/chest.60.4.404]
</p>
</li>
<li>
<p class="mim-text-font">
Liebler, G. A., Magovern, G. J., Park, S. B., Cushing, W. J., Begg, F. R., Joyner, C. R.
<strong>Familial myxomas in four siblings.</strong>
J. Thorac. Cardiovasc. Surg. 71: 605-608, 1976.
[PubMed: 1263542]
</p>
</li>
<li>
<p class="mim-text-font">
Powers, J. C., Falkoff, M., Heinle, R. A., Nanda, N. C., Ong, L. S., Weiner, R. S., Barold, S. S.
<strong>Familial cardiac myxoma: emphasis on unusual clinical manifestations.</strong>
J. Thorac. Cardiovasc. Surg. 77: 782-788, 1979.
[PubMed: 431115]
</p>
</li>
<li>
<p class="mim-text-font">
Siltanen, P., Tuuteri, L., Norio, R., Tala, P., Ahrenberg, P., Halonen, P. I.
<strong>Atrial myxoma in a family.</strong>
Am. J. Cardiol. 38: 252-256, 1976.
[PubMed: 133607]
[Full Text: https://doi.org/10.1016/0002-9149(76)90158-2]
</p>
</li>
<li>
<p class="mim-text-font">
van Gelder, H. M., O'Brien, D. J., Staples, E. D., Alexander, J. A.
<strong>Familial cardiac myxoma.</strong>
Ann. Thorac. Surg. 53: 419-424, 1992.
[PubMed: 1540058]
[Full Text: https://doi.org/10.1016/0003-4975(92)90261-2]
</p>
</li>
</ol>
<div>
<br />
</div>
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<span class="mim-text-font">
Victor A. McKusick - updated : 8/29/2000<br>Victor A. McKusick - updated : 8/28/2000
</span>
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<div>
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Creation Date:
</span>
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