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Sebaceous cyst


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Sebaceous cyst

Alternative Names:

Epidermal cyst; Keratin cyst; Epidermoid cyst
Symptoms:
  • Usually a nontender, small lump beneath the skin
  • Redness, tenderness, or increased temperature of the skin over the area may occur infection
  • Grayish-white, cheesy, foul-smelling material may drain from the cyst

Signs and tests:

In most cases, your physician can diagnose a cyst based on its appearance. Occasionally, a biopsy may be needed to rule out other conditions with a similar appearance.
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