A slightly itchy rash on the hand of a person with type 1 diabetes

Abstract

A 42-year-old woman with type 1 diabetes presents to her general practitioner (GP) with multiple skin lesions on the back of her hand, which have slowly grown in size (Fig. 1). Questions 1. Describe this image and what is the diagnosis? 2. What symptoms is she likely to have and what is the association with diabetes? 3. What investigations and treatments are recommended? FIGURE 1