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Pathology 24

35-year-old woman presents to the emergency department complaining of intense, right sided flank pain, nausea, and vomiting for the past 6 hours. Plain film x-rays of the abdomen reveal radiopaque stones that look like antlers obstructing her entire renal pelvis. Laboratory tests reveal a normal serum creatinine and a urine pH of 11.

Which of the following is the most likely chemical composition of these stones?

  • A) Calcium oxalate
  • B) Cystine
  • C) Magnesium ammonium phosphate
  • D) Uric acid


Amelia Mackarey


Dr. Ted O'Connell

Last updated

Sep 22, 2022


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