This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Necrotizing pappillitis may be seen in all of the following conditions except - \nSelect and explain. \nA. Sickle cell disease, B. Tuberculous pyelonephritis, C. Diabetes mellitus, D. Analgesic nephropathy', 'role': 'user'}, {'content': "Answer: B \nExplanation: 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.", 'role': 'assistant'}]