ALVEOLAR HEMORRHAGE - CLINICAL-FEATURES A ND CAUSES IN 9 CASES

Nine cases of alveolar hemorrhage seen over a two-year period in an in ternal medicine department are reported. Clinical manifestations were highly variable, and only two patients presented with the classical tr iad of anemia, hemoptysis, and roentgenographic infiltrates, The diagn osis was confirmed by demonstration of hemosiderin-laden macrophages i n bronchoalveolar lavage fluid specimens. The cause was pneumorenal sy ndrome in four cases, Wegener's granulomatosis in two, and heart disea se with pulmonary artery hypertension in three.