Hemosiderotic synovitis is a rare distinctive type of synovial proliferative disorder. Hemosiderotic synovitis develops in men with hemophilia who are at risk of hemarthrosis, especially of the knees, associated with severe degenerative articular cartilage disease. It appears to be exceedingly rare in individuals without hemophilia and has been reported in case reports. We describe a case of trauma-related nonhemophilic hemosiderotic synovitis, located in the hand in an otherwise healthy young male construction worker, with no systemic illness, inflammatory arthritis, or any bleeding disorder. We report the first case of nonhemophilic hemosiderotic synovitis located in the hand. To the best of our knowledge, a case of extra-articular nonhemophilic hemosiderotic synovitis has not been previously described in the literature.
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MR imaging findings for differentiating nonhemophilic hemosiderotic synovitis from diffuse-type tenosynovial giant cell tumor of the knee.
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Department of Radiology, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan.
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