Several dermatoses are routinely associated with diabetes mellitus, especially in
patients with chronic disease. This relationship can be easily proven in some
skin disorders, but it is not so clear in others. Dermatoses such necrobiosis
lipoidica, granuloma annulare, acanthosis nigricans and others are discussed in
this text, with an emphasis on proven link with the diabetes or not, disease
identification and treatment strategy used to control those dermatoses and
diabetes.