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Myositis ossificans - Arm - X-ray
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Myositis ossificans - Arm - X-ray
  • Case ID: 400
  • Diagnosis: Myositis ossificans
  • Category: Pseudotumors
  • Category Type: Myositis ossificans
  • Category Sub Type: Benign
  • Location: Arm
  • Age: 1
  • Sex: M
  • Treatment: Observation
  • Image ID: 2719
  • Image Type: X-ray

A 14-month-old boy fell down the stairs ten days prior to this X-ray being taken. This radiograph shows aggressive soft tissue bone formation in the anterior portion of the elbow in the area of the brachialis muscle. Heterotopic bone formation is associated with injury to the muscle. The elbow is a frequent location for this condition, especially after a traumatic dislocation of the elbow or a supracondylar fracture of the distal humerus. This lesion went on to mature and because it did not cause restricted motion of the elbow, no surgical intervention was necessary.


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