Familial Multiple Lipomatosis: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Familial Multiple Lipomatosis?
A primary care doctor is usually the first person to see. They can examine the lumps, order imaging tests, and confirm the diagnosis. If a lump needs removal, they will refer you to a general surgeon or dermatologist. A genetic counselor may also help families understand how the condition is inherited.
What it is
Familial multiple lipomatosis is a rare condition that runs in families. It causes many soft, fatty lumps called lipomas to grow under the skin. A lipoma is a harmless growth made of fat cells. These lumps usually appear on the arms, legs, and torso. They are not cancer, and they do not turn into cancer.
Symptoms
The main symptom is having several soft, squishy lumps under the skin that can move a little when pressed. They usually do not hurt, though some people feel tenderness if a lump presses on a nerve. The lumps grow slowly over months or years and are mostly a cosmetic concern.
Causes and who gets it
This condition is genetic, passed down when a person inherits a changed gene from a parent. The exact gene involved is not always known. Men tend to get it more often than women, and it usually shows up in adulthood. Not everyone in a family will develop the same number of lumps.
How doctors diagnose it
A doctor usually starts by examining the lumps and asking about your family's health history. Lipomas have a typical feel that trained doctors can often recognize by touch. If a closer look is needed, they may order an ultrasound or an MRI. In rare cases, a small piece of the lump is removed and checked under a microscope. This biopsy confirms the lump is a harmless lipoma.
Treatment
Most lipomas do not need treatment. If a lump is small and not causing problems, doctors often suggest simply watching it. If a lump hurts, presses on a nerve, or bothers someone cosmetically, it can be removed with minor surgery using numbing medicine. Some lipomas can also be reduced by liposuction. Lipomas can come back after removal in some cases.
When to see a doctor
See a doctor if you notice a new lump under your skin, especially if it grows quickly, becomes painful, or feels hard instead of soft. Most lumps turn out to be harmless, but anything new or changing should be checked. Getting a clear answer early can bring peace of mind.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance, while a concierge doctor usually charges more and often works alongside insurance. Either type can examine lumps, track changes, order imaging, and arrange referrals to a surgeon when needed. They often have longer visits and more time to answer questions about a rare condition like this one.
Common questions
Are lipomas dangerous?
No, lipomas are benign, which means they are not cancer and do not spread. A doctor should still check any new lump to make sure it is a lipoma.
Will the lumps go away on their own?
Lipomas usually do not go away without treatment. They tend to grow slowly or stay the same size. Surgery is the way they are typically removed.
Can I pass this condition to my children?
Because familial multiple lipomatosis is inherited, there is a chance of passing it on. A genetic counselor can explain the pattern in more detail.
Sources
- NIH Genetic and Rare Diseases Information Center - Familial multiple lipomatosis
- National Organization for Rare Disorders (NORD) - familial multiple lipomatosis - National Organization for Rare Disorders
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
