A 51-year-old man is seen because of a painful groin rash. Has not cleared despite 3 months’ topical corticosteroids and antifungals. Does not have diabetes but does abuse alcohol(Drug information on alcohol) and has alcoholic cardiomyopathy; obese.
Normal vital signs. Malodorous rash in groin, from upper thigh across inguinal crease and onto medial scrotum. Includes shallow erosions, especially on scrotum, and fine scale, especially at upper margin and deepest in inguinal recess.
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