A person who does a significant amount of rowing may develop skin changes over the buttocks.
(1) hard, unpadded metal rowing seat
(2) significant amount of rowing
Main differential diagnosis of rower's rump:
(1) lichen simplex chronicus (scaling pruritic plaques with lichenification)
(2) hyperkeratosis and/or callus related to recurrent abrasion
(4) chronic ecchymoses in the gluteal cleft
Less common conditions:
(5) contact dermatitis
Lichen simplex chronicus can be diagnosed with dermatoscopy while tinea can be diagnosed based on skin scrapings, culture or response to antifungals.
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