A diabetic patient with a long history of analgesic use presents with flank pain and passes tissue fragments in the urine. The sectioned kidney shown has pale, sharply demarcated necrosis of the medullary papillary tips. Which process is this, and which risk-factor group is classic?
A) Coagulative cortical infarction
B) A pyelonephritic cortical abscess
C) Medullary cystic disease
D) Renal papillary necrosis, seen with analgesics, diabetes, sickle cell disease and obstruction Follow us on our official social handles for more information:
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September 4, 2026 128
