Jackstone bladder calculus

Case contributed by David Cuete

Presentation

Left flank pain for a few days.

Patient Data

Age: 40 years
Gender: Male
ct

CT shows a typical star shaped (toy jack) stone in the bladder. Also demonstrates an enlarged prostate and left ureteral calculus causing hydroureteronephrosis.

Photo

The toy jack from which this urinary tract calculi gets its name (image courtesy of wikipedia.org).

Case Discussion

Jackstone calculi are associated with urinary stasis or infection and are usually calcium oxalate dihydrate stones.

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