Abstract
BackgroundJackstone is a bladder stone that has a similar appearance to toy jacks. However review of the English language medical literature revealed only a few previous reports of jackstone calculus.Case presentationWe report a case in which a large jackstone calculus was incidentally detected during the evaluation of 67 year old male presenting with lower urinary tract symptoms. X-Ray kidney, ureter, bladder showed a large irregular shaped radio-opaque shadow in the pelvic region. He underwent cystolitholapaxy and transurethral resection of the prostate.ConclusionIt is important to recognize the characteristic shape of the urinary bladder calculi in the diagnosis of the jack stones and to treat the primary cause of calculi formation.
Highlights
Jackstone is a bladder stone that has a similar appearance to toy jacks
The commonest site of Jackstones is urinary bladder and rarely in the upper urinary tract. They are almost always composed of calcium oxalate dihydrate
We describe a patient that presented with obstructive lower urinary tract symptoms and Jack stones in the urinary bladder
Summary
This calculi type is referred as a “jack” stone because of its similar appearance to the children’s game toys, Jacks. The commonest site of Jackstones is urinary bladder and rarely in the upper urinary tract They are almost always composed of calcium oxalate dihydrate. His uroflowmetry showed a significant limitation of maximum flow rate (Q max = 4.2 ml/s) On ultrasonography he was found to have 50 g prostate with slightly thickened bladder wall (5 mm) with a large stone (2.5x3cm) in the urinary bladder. Patient underwent cystoscopy which revealed a large Jack stone in urinary bladder [Fig. 2].Cystolitholopaxy was performed and multiple small stones (Fig. 3) were retrieved. He underwent transurethral resection of the prostate which revealed 50 g prostate. At follow-up of three weeks after the surgery the patient was voiding with good stream
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