(BMJ)—A 59-yo man w/ hx of renal transplant and well-controlled HIV infection presented w/ an enlarging and intermittently discharging umbilical lesion. Review of systems: mild weight loss. Exam: firm, crusted nodule at umbilicus, along w/ hepatomegaly. Labs: elevated ALT/AST/alk phos; bilirubin normal. Bx confirmed the dx. What is it?
Impetigo
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Urachal cyst
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Pyoderma gangrenosum
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Omphalolith
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Sister Mary Joseph nodule
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