CASE 4
Updated: Aug 7, 2019
Courtesy of Family Smile Polyclinics, Jeddah, Saudi Arabia
8-years-old male with leg pain
CASE 4 ANSWER
Osteopetrosis
Diffusely increased bone density is noted, leading to loss of corticomedullary differentiation. The metadiaphysis is widened (yellow arrow), there are diaphyseal lucent lines (red arrow), and there is a pathologic fibular fracture (circles)
Key Points
Genetic disease of imbalanced bone formation and resorption
Characteristic imaging feature: Increased bone density, loss of corticomedullary differentiation, leucent bone bands, widened metadiaphysis.
A cause of Erlenmeyer flask deformity, along with storage diseases, chronic anemias, and other bone dysplasias.
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