A 62-year-old female patient presented with a recurrent tender ulcer over the left third finger. She reported that the wound habitually reappeared at the same location after healing with topical measurements. Her medical history revealed type 2 diabetes mellitus for 30 years. Her medications included long-acting insulin and metformin. However, her diabetes was poorly controlled, and she had a glycated haemoglobin level of 8.7%.
Examination:
On examination, a non-purulent, triangular-shaped ulcer 12 × 9 mm in diameter with overlying haemorrhagic crusts was seen on her left third finger. In addition, painless cord-like skin tightening was palpated on the left palmar surface that indicated Dupuytren contracture. Laboratory results were within normal limits. Histopathologic examination showed abscess formation under the parakeratotic epidermis, irregular acanthosis and a mixed inflammatory infiltrate in the upper dermis.
- #endo-diabetology
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