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case_images: Computerized tomography scan illustrating a (a) renal pelvis calculus (b) lower pole calculus.
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case_images: Computerized tomography revealed a large renal pelvis calculus measuring 37 x 30 x 18 mm (Figure 1(a)) with one group of small, lower-pole calyceal calculi of 14 x 15 x 16 mm in size (Figure 1(b)).
case_images: (a) Miniature nephoscope view of the renal calculus; (b) Flexible ureteroscope view of the renal calculus.
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case_images: Tuttlingen, Germany) with a 120 W Ho:YAG laser (Lumenis, San Jose, CA, USA) and a 550 mum core laser fiber with an energy of 1.5 J and a rate of 30 Hz (Figure 2(a)). The fURS laser lithotripsy was performed with a 60 W thulium fiber system (SOLTIVE, Olympus, MA, USA) and a 200 mum laser fiber with the settings of 1.5 J and 30 Hz (Figure 2(b)). The stone fragments were removed with graspers or were evacuated and washed out using a suction system through the nephrostomic sheath.
case_images: Postoperative abdominal plain radiography showing no evidence of residual calculi.
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case_images: An abdominal x-ray was obtained to identify residual fragments and confirm the appropriate positioning of the ureteral stent (Figure 3).