Cutaneous complications of noninsulin-dependent, type II diabetes mellitus are reviewed, including diabetic dermopathy, necrobiosis lipoidica diabeticorum, diabetic bullae (bullosis diabeticorum), certain acquired perforating dermatoses, diabetic thick skin, scleredema adultorum, Dupuytren's contractures, certain xanthomas, carotenoderma, rubeosis faciei, and acanthosis nigricans.