A case report of an outstanding college football halfback with partial factor XI deficiency, recurrent ecchymosis, and myositis ossificans is reviewed. The association of multiple areas of myositis ossificans and partial clotting-factor deficiency has not been noted in the past. The importance of considering this diagnosis in participants in contact sports with the above findings is emphasized.
(JAMA 237:2215-2216, 1977)
Jokl P, Federico J. Myositis Ossificans TraumaticaAssociation With Hemophilia (Factor XI Deficiency) in a Football Player. JAMA. 1977;237(20):2215–2216. doi:10.1001/jama.1977.03270470051024
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