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A lipoma is a harmless lump of fat. There are several types, usually classified by where they appear. Lipomas may occur anywhere and are commonly are found just beneath the skin.
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Factors that may increase your chance of a lipoma include:
- Family history
- Lipomatosis, a hereditary condition that results in lipomas all over the body
- Adiposis dolorosa, a rare condition that results in painful lipomas
Lipomas are usually soft, painless, moveable lumps under the skin. They usually don't cause symptoms.
Your doctor will ask about your symptoms and medical history. A physical exam will be done. The diagnosis is usually based on smoothness, softness, and ease of movement under the skin. Your doctor may do a biopsy to rule out other skin conditions.
Talk with your doctor about the best treatment plan for you. You may want to leave the lump alone. Treatment options include:
- Injections to reduce the size of the lipoma
- Laser treatment (given under the skin) to remove the lipoma
- Surgical excision—lipomas are cut out
- Liposuction—removes excess fat from under the skin
American Academy of Dermatology
Family Doctor—American Academy of Family Physicians
Canadian Dermatology Association
The Canadian Society of Plastic Surgeons
Common benign skin lesions. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T908545/Common-benign-skin-lesions. Updated April 11, 2016. Accessed September 27, 2016.
Lipomas. Merck Manual Professional Version website. Available at: http://www.merckmanuals.com/professional/dermatologic-disorders/benign-skin-tumors-growths-and-vascular-lesions/lipomas. Updated March 2013. Accessed September 2, 2015.
Lipoplasty. American Society of Plastic Surgeons website. Available at: http://www.plasticsurgery.org/cosmetic-procedures/liposuction.html. Accessed September 2, 2015.
Salam GA. Lipoma excision. Am Fam Physician. 2002;65(5):901-904.
- Reviewer: Michael Woods, MD
- Review Date: 09/2016
- Update Date: 09/02/2015