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- hempophilic arthropathy
- chronic arthropathy
- monoarticular arthropathy
- radiograph of the knee joint
A 50-year-old man with haemophilia A had knee radiographs performed while being worked up for chronic knee pain.
The radiographs showed classic features of monoarticular chronic haemophilic arthropathy of the right knee joint. These features are listed below and labelled in figures 1 and 2:
Widened intercondylar notch. Note the discrepancy in interchondylar notch width between the left and right knee.
Contributors All authors contributed equally to the article.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.