Chronic Kidney Disease USMLE Step 1 Practice Question
A 45 year old man comes to the emergency department with sudden severe right flank pain radiating to the groin. He has a history of Crohn disease and multiple small bowel resections. Urinalysis shows microscopic hematuria. A passed stone is found to be envelope shaped on microscopy. Which of the following is the most likely type of stone?
Answer choices
- AXanthine stone
- BCalcium oxalate stoneCorrect answer
- CUric acid stone
- DStruvite stone
- ECystine stone
- FMagnesium ammonium phosphate stone
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