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A 71-year-old man with renal colic was referred to dermatology clinic after a CT urogram revealed an incidental area of subcutaneous tissue thickening in the left abdominal wall (figure 1A).… Click to show full abstract
A 71-year-old man with renal colic was referred to dermatology clinic after a CT urogram revealed an incidental area of subcutaneous tissue thickening in the left abdominal wall (figure 1A). His medical history included suboptimally controlled type II diabetes (HbA1c 73 mmol/mol). He had been self-injecting human insulin (Humulin 30/70) into his left lower abdomen for the past 10 years, without site rotation. Examination revealed an asymptomatic subcutaneous nodule (figure 1B). An incisional biopsy showed fibrotic adipose tissue …
Journal Title: Postgraduate Medical Journal
Year Published: 2020
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