About 1 Hour Of in Pediatrics — 9yo Child | Pediatric Rheumatology | SMLE Q#3601
SMLE Question #3601
Pediatrics
Pediatric Rheumatology
Last updated: February 2026
A 9-year-old boy has had bilateral knee and ankle pain and stiffness for 3 months. He has difficulty walking on waking, with about 1 hour of morning stiffness that improves with activity. Examination shows mild swelling and reduced range of motion in both knees, without warmth or erythema. What is the most likely diagnosis?
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