Mild Swelling in Medicine / Internal Medicine — 68yo Man | Rheumatology | SMLE Q#11846
SMLE Question #11846
Medicine / Internal Medicine
Rheumatology
Objective: OBJ-383
Last updated: February 2026
A 68-year-old man has recurrent episodes of acute right knee pain over 3 months, each lasting 2–4 days and resolving spontaneously. He now has 2 days of right knee pain with mild swelling. He denies trauma, fever, chills, urethral discharge, diarrhea, or eye symptoms. Examination shows a small knee effusion and pain with range of motion without marked erythema; other joints are normal. What is the most likely cause of his recurrent monoarthritis?
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