NEJM Case: 44 yoF w/ 1wk hx of pustular rash, 1st on face, then legs. Also has ankle pain &; odynophagia. PMHx oral ulcers. Exam: Aphthous ulcers & all labs were negative (ANA, ANCA, HIV, RPR, etc). Skin Bx= small-vessel vasculitis. What Dx? https://t.co/IcIQwP9z7C