Collapsing glomerulopathy, features:

Answer is D (Hyperophy of visceral epithelium cells) The charachteristic feature of collapsing glomerulopathy are collapse of glomerular tuft and proliferation and hyperplasia of glomerular visceral epethelial cells. Amongst the options provided Hyperophy of visceral epethelial cells is the single best answer of choice. A charachteristic feature of collapsing glomerulopathy is proliferation and hyperophy of visceral epithelial cells' According to working Classification of FSGS (Pediatric Nephrology) Option A in question mentions 'tuft necrosis' and not collapse of tuft hence option D becomes the single best answer of choice.