Case: Bone & joint disease radiograph #16749428
Bone & joint disease Advanced
Read this radiograph systematically before revealing the answer. What is the main abnormality?

Image: Jmarchn via Wikimedia Commons · CC BY-SA 3.0 · source · resized and converted to WebP
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Answer: Avascular necrosis of the femoral head
What to look for in avascular necrosis of the femoral head
- Crescent sign, sclerosis, collapse.
Description by the image author (may be in another language): Radiography of avascular necrosis of left femoral head. Man of 45 years old with AIDS.
Educational case. The diagnosis comes from the image's documented source; the "what to look for" list describes the condition in general and is not a report of this individual image.



