Jackstone bladder calculus

Case contributed by Liz Silverstone



Patient Data

Age: 70 years
Gender: Male

Spiculated pelvic calculus


Spiculated calculus in a bladder diverticulum. This explains the lateral location.

Case Discussion

Named for their resemblance to toy jacks, jackstone calculi usually form in the bladder and are composed of calcium oxalate dihydrate. Their fragility renders them suitable for fragmentation by lithotripsy. 

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