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Lipomas

Lipomas

Lipomas are soft, slow-growing lumps made of fat tissue that develop just beneath the skin. They’re the most common type of soft tissue growth, almost always harmless, and typically don’t require treatment unless they’re causing discomfort or cosmetic concern. Occasionally, though, a lump that looks like a lipoma turns out to be something that needs closer attention. At Genesis Dermatology in Jupiter, FL, board-certified dermatologists evaluate lipomas to confirm the diagnosis and offer removal when it’s the right choice for you.
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What Is a Lipoma?

A lipoma is a benign growth of fat cells that forms a soft, rounded lump just under the skin. They’re most common between ages 40 and 60 and tend to run in families, with genetics playing the biggest role in who develops them, alongside factors like hormonal shifts or, occasionally, a prior injury to the area.

Lipomas are almost always benign, but they belong to the same general category of soft tissue tumors as liposarcoma, a rare cancerous growth. Because the two can occasionally be difficult to distinguish by feel it alone, especially for larger or unusual lumps, a professional evaluation is worthwhile any time you notice a new fatty lump.

How to Detect a Lipoma

Typical lipoma characteristics include:
  • Soft, rubbery texture that moves easily under light finger pressure
  • Usually painless, though it can become tender if it presses on a nearby nerve
  • Slow, gradual growth over months to years
  • Generally small, most stay under about 2 inches across
  • Located close to the skin's surface, most often on the trunk, neck, shoulders, or arms

Warning Signs That Warrant Closer Evaluation

  • Rapid growth over a short period of time
  • A firm or hard texture rather than soft and rubbery
  • A lump that feels fixed to deeper tissue rather than moving freely
  • Constant, localized pain not explained by nerve pressure
  • Size greater than roughly 2 inches, or a lump located deeper than typical lipomas

When Should You See a Doctor?

Schedule an evaluation if:
  • You notice a new fatty lump, especially if you've never had one evaluated before
  • A lump is growing quickly, feels firm or fixed in place, or is painful without an obvious cause
  • A lipoma is interfering with movement or pressing on a nerve
  • You'd like a lipoma removed for cosmetic reasons or because of its size or location

What Happens If a Lipoma Is Left Unevaluated?

Confirmed, typical lipomas are safe to simply monitor indefinitely if they’re not bothering you; leaving one alone doesn’t carry a medical risk in itself. The real risk lies in never having an atypical lump evaluated in the first place. Because liposarcoma can closely resemble a lipoma in its early stages, a growth that’s dismissed as “probably just a lipoma” without any professional exam could, in rare cases, delay the diagnosis of something that actually needs prompt treatment.

Features like rapid growth, a firm or fixed texture, a size beyond about 2 inches, or a lump that sits deeper in the tissue all meaningfully raise the odds that a lump deserves imaging or a biopsy rather than continued observation. Getting an accurate diagnosis early is what allows most lipomas to simply be watched with confidence, while catching the rare exception before it progresses.

The Genesis Dermatology Process

Here’s what to expect if you come in about a fatty lump:
  • A physical exam to assess the lump's size, texture, mobility, and depth
  • Imaging or a biopsy if any features raise concern for something other than a straightforward lipoma
  • A recommendation to simply monitor the lipoma over time if it's confirmed benign and isn't bothering you
  • In-office surgical excision under local anesthesia for lipomas that are painful, growing, affecting function, or that you'd simply like removed
  • Liposuction as an alternative removal option for select, larger lipomas

Ready to Take the Next Step?

Most lipomas are harmless, but every new lump deserves a confident diagnosis, not a guess. Schedule a consultation with the board-certified dermatologists at Genesis Dermatology in Jupiter, FL, to find out exactly what you’re dealing with.
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Frequently Asked Questions

Are lipomas cancerous?
No, lipomas are benign fatty growths. Liposarcoma, a rare cancerous growth, can sometimes resemble a lipoma, which is why any new or atypical lump is worth having professionally evaluated.
Not necessarily. Many lipomas are simply monitored over time if they’re not causing pain, growing rapidly, or bothering you cosmetically. Removal becomes worthwhile when a lipoma causes discomfort, affects function, or you’d prefer it gone.
Typical lipomas are soft, mobile, slow-growing, and generally under 2 inches. Warning signs that warrant a closer look include rapid growth, firmness, fixation to deeper tissue, and persistent pain, features best assessed with a professional exam rather than self-diagnosis.
No, most lipomas are removed through a straightforward in-office procedure under local anesthesia, with a relatively quick recovery.
Recurrence is uncommon when a lipoma is fully excised, though it’s possible, particularly with certain multiple lipoma syndromes that run in families.
If a lipoma is painful, growing, or affecting function, removal is often covered as medically necessary. Purely cosmetic removal of an asymptomatic lipoma may not be, and our team can clarify coverage during your consultation.