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Pulmonary hemorrhage in renal disease: Goodpasture's syndrome and other causes.

Pulmonary hemorrhage is generally due to neoplasm, tuberculosis, necrotizing pneumonia, or bronchiectasis. If these are not found, kidney diseases, including anti-glomerular basement membrane antibody-induced bleeding (Goodpasture's syndrome), should be considered. Hemoptysis in renal disease is more often due to azotemic hypervolemia than immune reaction. Typically linear immunofluorescent patterns along the glomerular and pulmonary alveolar basement membranes must be demonstrated to confirm the diagnosis of Goodpasture's syndrome.