Presenter: Panagiotis Mitropoulos DO, Justin Rubin DO, Lise Brown DO, Stanley Skopit DO

Dermatology Program: NSU-COM/BGMC

Program Director: Stanley Skopit DO

Submitted on: November 9, 2010

CHIEF COMPLAINT:  Rash on buttocks for several months

CLINICAL HISTORY: An 84-year-old Caucasian woman, nursing home resident, with a seven-month history of erythematous, mildly pruritic, non-tender rash involving the right buttock area. Patient was being treated by a primary care physician with ketoconazole cream without significant improvement of symptoms.

PHYSICAL EXAM:
Erythematous, well-demarcated, mildly scaling, non-tender plaque on the mid and superolateral aspect of the right buttock.

LABORATORY TESTS: N/A

DERMATOHISTOPATHOLOGY:

DIFFERENTIAL DIAGNOSIS:

1.   Cutaneous T-cell lymphoma
2.   Plaque psoriasis
3.   Large plaque parapsoriasis
4.   Tinea corporis