Necrotizing pappillitis may be seen in all of the following conditions except -: (A) Sickle cell disease, (B) Tuberculous pyelonephritis, (C) Diabetes mellitus, (D) Analgesic nephropathy
Answer is B. Ans. is 'b' i.e., Tuberculous Pyelonephritiso Necrotizing pappilitis is also known as papillary necrosis.o For causes see above explanation.o Diagnostic features are -Passage of necrotic tissue in urine. Ring shadow on pyelography.