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Percutaneous cystolitholapaxy technique. (A) Under transurethral 19-Fr cystoscopic guidance, a suprapubic tract was made with telescopic metal dilators (Alken dilators) (yellow arrow), and a 24-Fr Amplatz sheath was placed (blue arrow). (B) The bullet was visualised with a 22-Fr nephroscope through the percutaneous tract. (C) The bullet was retrieved using stone-grasping forceps (red arrow). (D) The bullet after removal.
