A patient presents with acute renal failure with normal ultrasound abdomen repo. Next most useful investigation is :: (A) Intravenous pyelography, (B) DTPA scan, (C) Retrograde pyelography, (D) X-ray abdomen and CT scan.
Answer is B. Answer is B (DTPA scan): The next step would he to assess Renal function which is best achieved by DTPA scan amongst the options provided.