Vascular Disease USMLE Step 1 Practice Question
A 46-year-old man presents with a 3-month history of progressive weight loss, postprandial abdominal pain, and painful nodules on his lower extremities. He has hypertension (BP 158/96 mmHg) and tachycardia (HR 102 bpm). Laboratory studies reveal positive hepatitis B surface antigen and elevated transaminases. Mesenteric angiography demonstrates multiple microaneurysms in renal and mesenteric vessels. Cardiac examination is unremarkable. Which of the following is the most likely diagnosis?
Answer choices
- AGranulomatosis with polyangiitis
- BIgA vasculitis
- CMicroscopic polyangiitis
- DTakayasu arteritis
- EPolyarteritis nodosaCorrect answer
- FWegener granulomatosis with renal involvement
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