An 83-year-old woman with diabetes presents with a chronic, itchy Rash on her back. Discover the diagnosis behind these unique crateriform lesions.
An 83-year-old woman with a history of type 2 diabetes mellitus presented with a 4-month history of a pruritic rash on her back. Physical examination showed a linear array of crateriform lesions containing crusted material on an erythematous base. A skin biopsy showed a cup-shaped ulceration with transepidermal elimination of basophilic collagen and with cellular debris. What is the most likely diagnosis?
What is the most likely diagnosis?
Dermatology, Diabetes Mellitus, Pruritus, Reactive perforating collagenosis, Skin Biopsy
