Clinicopathological features and outcome of antibody-negative anti-glomerular basement membrane disease

To explore the clinicopathological characteristics of patients with anti-GBM antibody-negative anti-GBM disease.The clinical and renal pathological findings were retrospectively studied in 19 patients. All patients met the following inclusion criteria: linear GBM IgG deposition on immunofluorescence(IF); and lack of serum anti-GBM antibodies by ELISA and indirect immunofluorescence assay.There were 17 male and two female patients, with a median...