Pulmonary Hemorrhage and Glomerulonephritis in the Absence of Anti-Glomerular Basement Membrane Antibody

We have described a case of pulmonary hemorrhage and idiopathic crescentic glomerulonephritis unrelated to anti-glomerular basement membrane antibodies and/or immune complexes. Although pulmonary hemorrhage was controlled dramatically with high doses of corticosteroids, renal function declined rapidly.