In three diabetic patients, bullous and atrophic skin lesions occurred together, an association not previously reported. The bullous lesions differed from those described in previous communications in that they were subepidermal in location, healed by scarring, and developed into atrophic circumscribed lesions.
Kurwa A, Roberts P, Whitehead R. Concurrence of Bullous and Atrophic Skin Lesions in Diabetes Mellitus. Arch Dermatol. 1971;103(6):670-675. doi:10.1001/archderm.1971.04000180096013