Thromboembolic Complications in Myelomatosis

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Abstract
Fourteen cases of myelomatosis associated with major thromboembolic complications are reported. Six patients died of pulmonary embolism, seven had deep-vein thrombosis as a presenting symptom, and three had evidence of amyloidosis. A preliminary estimate of the incidence of thromboembolism based on 376 patients admitted so far to the Medical Research Council's myelomatosis trial is about 3%, while pulmonary embolism accounted for about 3% of all deaths. Possibly a hypercoagulable state and the presence of amyloidosis may be important in the pathogenesis of this complication.