Panner Disease

  • Etiology: osteonecrosis of capitellum due to disruption of vascular supply to epiphysis, similar to Perthes
  • DDX: similar in appearance to osteochondritis dessicans of capitellum but ostecondritis dessicans patients are adolescents
  • Clinical: almost always occurs in dominant elbow of boys 5-12 years old

Radiology Cases of Panner Disease

Radiograph of Panner disease
AP (left) and lateral (right) radiographs of the elbow show a cresenteric lucency anteriorly along the capitellum along with a joint effusion causing elevation of the anterior and posterior fat pads.