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Temporal arteritis — USMLE Step 3 MCQ

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ModerateAmbulatory Medicine / Primary CareTemporal arteritisUSMLE Step 3

A 71-year-old woman has new left temporal headache, scalp tenderness, and jaw pain while chewing. She also has aching in both shoulders. ESR is 88 mm/h. Visual acuity is intact and funduscopic examination is normal. Which of the following is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: DGiant cell arteritis

New headache, scalp tenderness, jaw claudication, and high ESR in an older adult strongly suggest giant cell arteritis.

Reference: American College of Rheumatology vasculitis guidance: https://rheumatology.org/