A 42 year old paraplegic woman has a neurogenic bladder and requires an indwelling urinary catheter. She develops a urinary tract infection and is seen by a urologist, who orders abdominal x-rays and an intravenous pyelogram. The radiographic studies demonstrate a very large stone that fills and follows the contours of the renal pelvis. The stone is most likely composed of which of the following?
A 42 year old paraplegic woman has a neurogenic bladder and requires an indwelling urinary catheter. She develops a urinary tract infection and is seen by a urologist, who orders abdominal x-rays and an intravenous pyelogram. The radiographic studies demonstrate a very large stone that fills and follows the contours of the renal pelvis. The stone is most likely composed of which of the following?
💡 Explanation
A 42 year old paraplegic woman has a neurogenic bladder and requires an indwelling urinary catheter. She develops a urinary tract infection and is seen by a urologist, who orders abdominal x-rays and an intravenous pyelogram. The radiographic studies demonstrate a very large stone that fills and follows the contours of the renal pelvis. The stone is most likely composed of which of the following?
✓ Correct Answer: D. Magnesium ammonium phosphate
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