A child presents with a PAINFUL lower extremity. The pediatric board question states that he also has “decreased exercise tolerance.” You’re asked to identify the disorder. His cardiac and pulmonary exam are unremarkable but an x-ray of a LONG BONE is shown with various findings. Of the multiple findings in the images below, the white arrow points to the “classic” finding associated with this disorder.
1. Can you name the disorder?
2. Can you name the classic findings shown in the images?
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ANSWERS:1. Can you name the disorder? The disorder shown in these images is EWING'S SARCOMA. Ewing’s Sarcoma is a tumor of the long bones. A long bone is any bone that’s longer than it is wide. During your pediatric board review and on the pediatric boards, look for questions associated with X-rays of the humerus, femur, tibia or fibula. EDUCATIONAL PEARLS FOR YOUR PEDIATRIC BOARD REVIEW: