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Pathology

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Kidney

Question
52 out of 60
 

A lady presents with complaints of abdominal pain. Contrast enhanced CT scan shows bilateral papillary Necrosis, Which of the following test shall not be done To investigate the cause of her papillary necrosis? (LQ)



A Culture for bacteria

B Stickling test

C Urine acidification

D Urine PCR for TB

Ans. D Urine PCR for TB

Major causes of Papillary necrosis are:

Analgesic nephropathy

Sickle cell nephropathy

Diabetes with urinary tract infection

Option ‘a’ can detect urinary tract infection which may be associated with UTI.

Option 'b' is helpful for detecting sickle cell disease'

Option ‘c’ can detect renal tubular acidosis. Analgesic nephropathy ir an important cause of distal tubular acidosis'

Renal TB is least likely cause of papillary necrosis and therefore, urine PCR for B is the answer of exclusion. Please note that TB can cause focal papillary necrosis of the kidney rarely'

Kidney Flashcard List

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