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Monthly Archives: March 2012

QUESTION: What’s The Diagnosis In This Child With Lower Extremity Pain?

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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.

QUESTIONS:

1. Can you name the disorder?

2. Can you name the classic findings shown in the images?

Classic x-ray findings shown in this child with leg pain

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ANSWER for, “What’s The Diagnosis In This Child With Lower Extremity Pain?”

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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: