Pulmonary hemorrhage - nephritis syndrome diagnosis?

Typical cases are obvious pulmonary hemorrhage, glomerulonephritis, with the basement membrane antibody-positive diagnosis can be made general. But some patients, the clinical manifestation is not typical, to a certain symptoms of outstanding performance, easily overlooked, resulting in missed or misdiagnosed. Therefore, any unknown hemoptysis patients, especially young men, accompanied by hematuria, proteinuria, chest X-ray changes, particularly in the short-term anemia, kidney dysfunction, should be highly considered for the possible, kidney or lung biopsy can help check diagnosed.