Answer: B. Right femoral head and neck.
Findings: There is subtle osteopenia in the right femoral head and neck compared with the left femoral head and neck. No fractures are identified.
(Click on images for larger versions).
Above Image: Subtle osteopenia of the right femoral head (arrow) compared with the left femoral head.
Above Image: MRI: Coronal T1
Question: What is the most likely etiology for this finding?
- Occult fracture
- Infiltrative tumor
- Transient osteoporosis of the hip
- Avascular necrosis
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