<prompt> Necrotizing pappillitis may be seen in all of the following conditions except :Sickle cell diseaseTuberculous pyelonephritisDiabetis MellitusAnalgesic nephropathy  <response>: Answer is B Tuberculous Pyelonephritis ruberculosis is the least impoantcommon cause of necrotizing papillitis amongst the options provided. Causes of Renal Papillary Necrosis Necrotizing Papillitis Analgesic Abuse Nephropathy NSA1Ds Diabetes Mellitus Sickle cell Disease Obstruction in association with infection pyelonepliritis Chronic Alcoholism Vascular Renal Diseases Renal vein thrombosis 