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Case 148 

Case 148
Case 148

Ellen Chung

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date: 31 October 2020

8-year-old boy with hip pain.

AP radiograph of the hips (left) shows mild flattening and irregularity of the right femoral head epiphysis (arrow), which is much more apparent on the frog-leg lateral view (right).

Avascular necrosis may be due to systemic diseases, such as sickle cell anemia, or drug therapies, such as steroids. Additionally, fragmented epiphyses may be due to epiphyseal dysplasia. Bilateral findings suggest these other conditions....

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