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</div><div><span>Hypothalamic tumor</span></div></div>
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<article><div id="d-article"><div class="page-info"><div class="page-title"><a name="start" id="start">
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</a><h1 class="with-also" itemprop="name">Hypothalamic tumor</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>A hypothalamic <a test="test" href="./001310.htm">tumor</a> is an abnormal growth in the <a test="test" href="./002380.htm">hypothalamus</a> gland, which is located in the brain.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Causes</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>The exact cause of hypothalamic tumors is not known. It is likely that they result from a combination of genetic and environmental factors.</p><p>In children, most hypothalamic tumors are gliomas. Gliomas are a common type of brain tumor that result from the abnormal growth of glial cells, which support nerve cells. Gliomas can occur at any age. They are often more aggressive in adults than in children.</p><p>In adults, tumors in the hypothalamus are more likely cancer that has spread from another organ.</p><p>People with <a test="test" href="./000847.htm">neurofibromatosis</a> (a hereditary condition) are at increased risk for this type of tumor. People who have undergone radiation therapy are at increased risk of developing tumors in general.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Symptoms</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>These tumors can cause a range of symptoms:</p><ul><li>Euphoric "high" sensations</li><li><a test="test" href="./000991.htm">Failure to thrive</a> (lack of normal growth in children)</li><li>Headache</li><li><a test="test" href="./003256.htm">Hyperactivity</a></li><li>Loss of body fat and appetite (cachexia) </li></ul><p>These symptoms are most often seen in children whose tumors affect the front part of the hypothalamus.</p><p>Some tumors may cause vision loss. If the tumors block the flow of spinal fluid, headaches and sleepiness may result from fluid collecting in the brain (<a test="test" href="./001571.htm">hydrocephalus</a>).</p><p>Some people can have <a test="test" href="./003200.htm">seizures</a> as a result of brain tumors. Other people may develop <a test="test" href="./001168.htm">precocious puberty</a> from a change in pituitary gland function.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Exams and Tests</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>Your health care provider may see signs of a hypothalamic tumor during a regular checkup. A brain and nervous system (neurological) exam, including tests of <a test="test" href="./003396.htm">visual function</a>, may be done. Blood tests for hormone imbalances may also be ordered.</p><p>Depending on the results of the examination and blood tests, a <a test="test" href="./003330.htm">CT scan</a> or <a test="test" href="./003335.htm">MRI scan</a> can determine whether you have a hypothalamic tumor.</p><p><a test="test" href="./003879.htm">Visual field testing</a> may be done to check for vision loss and to determine whether the condition is improving or getting worse.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Treatment</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>The treatment depends on how aggressive the tumor is, and whether it is a glioma or another type of cancer. Treatment may involve combinations of surgery, <a test="test" href="./001918.htm">radiation</a>, and <a test="test" href="./002324.htm">chemotherapy</a>.</p><p>Special radiation treatments can be focused on the tumor. They can be as effective as surgery, with less risk to surrounding tissue. Brain swelling caused by a tumor may need to be treated with steroids.</p><p>Hypothalamic tumors may produce hormones or affect hormone production, leading to imbalances that may need to be corrected. In some cases, hormones may need to be replaced or reduced.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Support Groups</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>You can often help the stress of illness by joining a <a test="test" href="./002166.htm">support group</a> where members share common experiences and problems.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>The outlook depends on:</p><ul><li>The type of tumor (glioma or other type)</li><li>Location of tumor</li><li>Grade of tumor</li><li>Size of tumor</li><li>Your age and general health </li></ul><p>In general, gliomas in adults are more aggressive than in children and usually have a worse outcome. Tumors that cause hydrocephalus may cause more complications, and may need surgery.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Possible Complications</h2></div><div class="section-button"><button type="submit" aria-controls="section-7" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-7"><p>Complications of brain surgery may include:</p><ul><li>Bleeding</li><li>Brain damage</li><li>Death (rarely)</li><li>Infection </li></ul><p>Seizures can result from the tumor or from any surgical procedure on the brain.</p><p>Hydrocephalus can occur with some tumors and can require surgery or a catheter placed in the brain to reduce spinal fluid pressure.</p><p>Risks for radiation therapy include damage to healthy brain cells when tumor cells are destroyed.</p><p>Common side effects from chemotherapy include loss of appetite, nausea and vomiting, and fatigue.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>When to Contact a Medical Professional</h2></div><div class="section-button"><button type="submit" aria-controls="section-8" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-8"><p>Contact your provider if you or your child develops any symptoms of a hypothalamic tumor. Regular medical check-ups may detect early signs of a problem, such as abnormal weight gain or early puberty.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Alternative Names</h2></div><div class="section-button"><button type="submit" aria-controls="section-Alt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Alt"><p>Hypothalamic glioma; Hypothalamus - tumor</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Goodden J, Mallucci C. Optic pathway hypothalamic gliomas. In: Winn HR, ed. <em>Youmans and Winn Neurological Surgery</em>. 8th ed. Philadelphia, PA: Elsevier; 2023:chap 233.</p><p>Weiss RE. Neuroendocrinology and the neuroendocrine system. In: Goldman L, Cooney KA, eds. <em>Goldman-Cecil Medicine</em>. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 204.</p></div></div></section>
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<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 3/31/2024</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. </p>
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