Psoriasis, necrobiosis lipoidica, granuloma annulare, vitiligo and skin infections in the same diabetic patient.

A diabetic patient is described presenting psoriasis, necrobiosis lipoidica diabeticorum, granuloma annulare, and vitiligo and with a history of recurrent erysipelas and mycotic infections. Scrupulous physical examination excluded further systemic or cutaneous involvement. The immunological workup revealed both phenotypic and functional defects in cellular immunity.