<prompt> Which is usually a presentation of the condition shown in the immunofluorescence study of the kidney?Development of renal vein thrombosisSteroid responsive selective proteinuriaNephelometer assay showing increased serum free light chainFibrillary immunotactoid glomerulopathy  <response>: The above shown immunofluorescence study is of MGNMembranous Glomerulonephritis It is associated with Renal vein thrombosis, CT disorder, Malignancy, Hep B C infection Steroid responsive selective Proteinuria is a feature of Minimal change disease Nephelometer showing Serum free light chain is feature of Multiple Myeloma. Fibrillary immunotactoid glomerulopathy is seen in non-amyloid fibril deposition is Associated with CLL. 