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</div><div><span>Skin lumps</span></div></div>
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</a><h1 class="with-also" itemprop="name">Skin lumps</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Skin lumps are any abnormal bumps or swellings on or under the skin.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Considerations</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>Most lumps and swellings are <a test="test" href="./002236.htm">benign</a> (not cancerous) and are harmless, especially the kind that feel soft and roll easily under the fingers (such as lipomas and cysts).</p><p>A lump or swelling that appears suddenly (over 24 to 48 hours) and is painful is usually caused by an injury or an infection.</p></div></div></section><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-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>Common causes of skin lumps include:</p><ul><li>Lipomas, which are fatty lumps under the skin</li><li><a test="test" href="./003097.htm">Enlarged lymph glands</a>, usually in the armpits, neck, and groin</li><li><a test="test" href="./003240.htm">Cysts</a>, a closed sac in or under the skin that is lined with skin tissue and contains fluid or semisolid material</li><li>Benign skin growths such as seborrheic keratoses, skin tags, or neurofibromas</li><li><a test="test" href="./001474.htm">Boils</a>, painful, red bumps usually involving an infected hair follicle or group of follicles</li><li><a test="test" href="./001232.htm">Corns or calluses</a>, caused by skin thickening in response to continued pressure (for example, from shoes) and usually occurring on a toe or foot</li><li><a test="test" href="./000885.htm">Warts</a>, caused by a virus that develops a rough, hard bump, usually appearing on a hand or foot and often with tiny black dots in the bump</li><li><a test="test" href="./000828.htm">Moles</a>, skin-colored, tan, or brown bumps on the skin</li><li><a test="test" href="./001353.htm">Abscesses</a>, infected fluid and pus trapped in a closed space from which it cannot escape</li><li><a test="test" href="./001289.htm">Cancer</a> of the skin (colored or pigmented spot that bleeds easily, changes size or shape, or crusts and does not heal) </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Home Care</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>Skin lumps from an injury can be treated with rest, ice, compression, and elevation. Most other lumps should be looked at by your health care provider before you try any home treatments.</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-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>Call your provider if you have an unexplained lump or swelling.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>What to Expect at Your Office Visit</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>Your provider will perform a physical exam and ask about your symptoms, including:</p><ul><li>Where is the lump?</li><li>When did you first notice it?</li><li>Is it painful or growing larger?</li><li>Is it bleeding or draining?</li><li>Is there more than one lump?</li><li>Is it painful?</li><li>What does the lump look like?</li><li>What other symptoms do you have? </li></ul><p>Your provider may prescribe antibiotics if you have an infection. If cancer is suspected or the provider cannot make a diagnosis by looking at the lump, a <a test="test" href="./003416.htm">biopsy</a> or an imaging test may be done.</p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Images</h2></div><div class="section-button"><button type="submit" aria-controls="section-tnails" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1041t.jpg" alt="Warts, multiple - on hands" title="Warts, multiple - on hands" class="side-img"/><a href="../imagepages/1041.htm">Warts, multiple - on hands</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1209t.jpg" alt="Lipoma - arm" title="Lipoma - arm" class="side-img"/><a href="../imagepages/1209.htm">Lipoma - arm</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1511t.jpg" alt="Warts - flat on the cheek and neck" title="Warts - flat on the cheek and neck" class="side-img"/><a href="../imagepages/1511.htm">Warts - flat on the cheek and neck</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/2382t.jpg" alt="Wart (verruca) with a cutaneous horn on the toe" title="Wart (verruca) with a cutaneous horn on the toe" class="side-img"/><a href="../imagepages/2382.htm">Wart (verruca) with a cutaneous horn on the toe</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/9896t.jpg" alt="Skin lumps" title="Skin lumps" class="side-img"/><a href="../imagepages/9896.htm">Skin lumps</a></li>
</ul></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>James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM. Dermal and subcutaneous tumors. In: James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM, eds. <em>Andrews' Diseases of the Skin: Clinical Dermatology</em>. 13th ed. Philadelphia, PA: Elsevier; 2020:chap 28.</p><p>Seller RH, Symons AB. Skin problems. In: Seller RH, Symons AB, eds. <em>Differential Diagnosis of Common Complaints</em>. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 29.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 6/7/2023</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: Elika Hoss, MD, Assistant Professor of Dermatology, Mayo Clinic, Scottsdale, AZ. 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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