Clear Cell Acanthoma
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D23.70 – Other benign neoplasm of skin of unspecified lower limb, including hip
254670002 – Clear cell acanthoma
SynopsisClear cell acanthoma, also known as pale cell acanthoma or Degos' acanthoma, is a benign epidermal tumor presenting as an erythematous papule or nodule with peripheral wafer-like scale, usually found on the leg.
Pathogenesis is unknown, but some have proposed that it is a variant of a seborrheic keratosis, while others favor a reactive inflammatory dermatosis.
Clear cell acanthoma occurs equally in both sexes and has a peak incidence in the 50- to 70-year age range.
Lesions may bleed with trauma.
Lesions tend to develop over the course of several years.