Pediatric Lyme Disease

  • Etiology: Borrelia burgdorfei
  • Imaging:
    — Oligoarticular
    — Knee affected in 80%
  • DDX: Difficult to differentiate imaging wise from juvenile idiopathic arthritis or septic arthritis
  • Complications:
  • Treatment:
  • Clinical: 25% Lyme arthritis is in patients less than 15 years old

Radiology Cases of Lyme Disease

Radiograph of lyme arthritis of the knees
AP and lateral radiographs of the right knee (above) and left knee (below) shows large bilateral suprapatellar joint effusions, right greater than left.
Radiograph of lyme arthritis of the knee
Lateral radiograph of the knee shows a large suprapatellar joint effusion.