Lipoma or liposarcoma? (Photo)

Question

I got multiple lumps on my left leg. They are painless, get nore visible when I stiff the muscles in the leg (walk/put the feet down). I read they may be multiple lipoma but I also saw it could be cancerous liposarcoma which got me worried. I do have a stationary appointment with a sergon in a couple of weeks but I would like to get some answers earlier as it will keep me worrying.

Robert M. Lowen, MD · Answer

Multiple bumps are typical of benign lipomas.  If you want reassurance, when you take them out, send them to the lab for pathology, but these multiple small bumps are not what liposarcomas look like.
Liposarcomas are solitary masses.  They grow, may make the overlying skin an abnormal color or texture, be painful.  
   I remove these with a tiny incision with a #11 blade, dissect around them and extrude them by pinching from below.

Anna Chacon, MD, FAAD · Answer

Hello,

It's understandable to be concerned about any new lumps or changes in your body. While I can't provide a definitive diagnosis without a physical examination and possibly imaging studies, I can offer some general information:

Lipoma: These are benign (non-cancerous) tumors composed of fat cells. They are typically soft, movable under the skin, and painless. Lipomas are common and usually harmless.

Liposarcoma: This is a rare type of cancer that arises in fat cells. Unlike lipomas, liposarcomas can be painful, grow rapidly, and may be firm or fixed in place.

Given your description of the lumps being painless and more visible when you stiffen your muscles, it sounds more characteristic of lipoma. However, the definitive diagnosis requires clinical evaluation by a healthcare professional, potentially including imaging studies (like an ultrasound or MRI) and sometimes a biopsy.

It's good that you have an upcoming appointment with a surgeon. In the meantime, try to remain calm and avoid jumping to conclusions. Your healthcare provider will be able to give you more specific information and guidance after a thorough evaluation.

Lipoma or liposarcoma? (Photo)

Answers (2)

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