A 37-year-old man with a history of nephrolithiasis presents with a recent UTI. What do the two distinct crystal types found in his urine reveal?
A 37-year-old man presented early in life with nephrolithiasis and pyelonephritis. Two weeks before this encounter, he was treated for a urinary tract infection. Microscopic examination of a spun urine specimen is shown, demonstrating two crystal types. What are these crystals, demonstrated in panels A and B, respectively?
What is the most likely diagnosis?
Cystine and triple phosphate (struvite) crystals, Cystinuria, Nephrolithiasis, Struvite, Urinalysis
