Pulmonary hemorrhage in a hemophiliac simulating a lung neoplasm

We report an elderly, male smoker with moderate hemophilia B who presented with hemoptysis, Chest imaging revealed a well-circumscribed, pulmonary, ma ss lesion. Repeated bronchoscopy failed to make a diagnosis, and the patien t ultimately underwent open thoracotomy with resection of the mass. Patholo gic examination revealed hemorrhagic changes in association with bullous lu ng disease. This is the first report of symptomatic pulmonary hemorrhage in a patient with hemophilia B, Hemorrhage into a pre-existing bulla can simu late a primary lung neoplasm, Am. J. Hematol. 64:299-302, 2000, (C) 2000 Wi ley-Liss, Inc.