A lady presents with complaints of abdominla pain. CECT shows bilateral papillary necrosis. Which of the following test shall not be done to investigate the cause of her papillary necrosis?
(A) Urine acidification test (B) Sickling test (C) Urine -PCR for TB (D) Bacterial culture of urine
(A) Ans. a. Urine acidification test(Ref: Harrison 19/e p1860, 18/e p2372)Urine acidification test is mainly done to diagnose A (Renal tubular acidosis), not the causes of papillary necrosis.