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July 2003

By Theodore E. Keats, MD

 

The mother of a two-year-old is concerned about the child's bowlegs. What is your interpretation of this frontal view of the child's legs?

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ANSWER


This is a normal x-ray, showing a form of bowing that appears when a child starts to walk and is particularly evident in heavy children. The bowing, the medial wedging of the distal ossification centers of the femurs, and the beaking of the medial aspects of the tibial metaphyses are all reflections of this normal developmental phase and will disappear as the child matures.

For further reading, see: F. Silverman and J. P. Kuhn, Caffey's Pediatric X-Ray Diagnosis, 9th ed., Mosby, 1993, p. 1834.

 

This series of diagnostic quizzes that challenge your ability to read a variety of x-ray films is edited by Dr. Keats, professor of radiology and professor of orthopedics at the University of Virginia School of Medicine in Charlottesville.

Emerg Med 35(7):59, 2003  

 



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