A 56 year old man was seen because of recurrent right shoulder hemarthroses and a
superior vena caval syndrome. Intermittent symptoms had occurred for six years and
resulted in marked destructive changes in the right shoulder. Arthroscopy added pathological
evidence of this unusual mechanism of arthropathy. Patients on anticoagulants deserve
close attention to symptoms of occult bleeding.
Keywords
Warfarin - Hemarthroses - Anticoagulation - Arthropathy