Overview

A lipoma is a benign tumor composed of fatty tissue. It is usually soft, movable, and slow-growing, often found just beneath the skin. Lipomas are typically asymptomatic and can appear anywhere on the body, though they are most common on the torso, arms, and thighs. They are generally not cancerous and do not usually pose serious health risks, but they may be removed for cosmetic reasons or if they become painful.

The exact cause of lipomas is not fully understood, but they may result from genetic factors or sporadic mutations in the fatty tissue. Some people may have a genetic predisposition that makes them more likely to develop lipomas. There is also evidence suggesting that trauma or injury to the skin might play a role, though this is less well-established.

Treatment for lipomas is generally not necessary unless they cause discomfort or are cosmetically bothersome. In such cases, options include surgical removal, which involves excising the lipoma and some surrounding tissue to ensure complete removal. Minimally invasive techniques such as liposuction can also be used to remove the fatty tissue, though these methods might not be as effective in preventing recurrence. For most people, the decision to remove a lipoma is based on personal preference rather than medical necessity.