A 60-year-old man with skin lesions, DM and ESRD. Skin biopsy is from the leg.
A cup-shaped ulcer with degenerated collagen and elastic fibers extruded through the ulcer. The findings are compatible with an acquired perforating collagenosis/dermatosis or umbilicated chronic prurigo nodularis.
A cup-shaped ulcer with degenerated collagen and elastic fibers extruded through the ulcer. The findings are compatible with an acquired perforating collagenosis/dermatosis or umbilicated chronic prurigo nodularis.
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https://pubmed.ncbi.nlm.nih.gov/27349279/