Case: Bone & joint disease radiograph #105610628
Bone & joint disease Intermediate
Read this radiograph systematically before revealing the answer. What is the main abnormality?
Image: Hellerhoff via Wikimedia Commons · CC BY-SA 4.0 · source · resized and converted to WebP
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Answer: Hallux rigidus (first MTP osteoarthritis)
What to look for in hallux rigidus (first mtp osteoarthritis)
- Joint space narrowing of the first metatarsophalangeal joint.
- Dorsal osteophytes on the first metatarsal head, best seen on the lateral view.
- Subchondral sclerosis and cysts; alignment is often preserved (unlike hallux valgus).
Description by the image author (may be in another language): Hallux rigidus ohne wesentliche Achsabweichung.
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.
