DNAJB9-positive monotypic fibrillary glomerulonephritis is not associated with monoclonal gammopathy in the vast majority of patients.
Said SM, Leung N, Alexander MP, Cornell LD, Fidler ME, Grande JP, Herrera LH, Sethi S, Zhang P, Nasr SH. Kidney Int. 2020 Aug; 98(2):498-504. Epub 2020 Mar 28.