<prompt> Which of the following is the characteristic histological feature of HIV associated collapsing glomerulopathy?Crescent formationMesangial depositionSubepithelial deposition with endothelial cell proliferationHyperophy and proliferation of visceral epithelial cells  <response>: HIV associated Nephropathy- leads to development of FSGS focal segmental glomerulosclerosis Most commonly associated with HIV is collapsing glomerulopathy. These patients have rapid kidney deterioration . Histologically, it is associated with hyperophy proliferation of visceral epithelial cells. 