When the Knee Tells a Story: The Magnetic Resonance Imaging Triad of Pediatric Lyme Arthritis

Publication type: 
Journal Article
Publication date: 
2026-10
Journal/Series title: 
The Journal of Rheumatology
Volume: 
53
Issue: 
10
Abstract: 

Lyme arthritis typically presents with intermittent inflammation of one or a few large joints, most commonly the knee.1 In children with an acute knee effusion, its clinical presentation may overlap with septic arthritis.2