case_images: PMC4310099_01
case_images: Ultrasonography scan demonstrating moderate hydronephrosis with no renal stone. Arrow indicate dilated pelvicalyceal system
case_images: UA-7-109-g001.jpg
case_images: PMC4310099_01_UA-7-109-g001.jpg
case_images: F1
case_images: Ultrasonography was carried out and showed moderate hydronephrosis with no hydroureter or renal stones [Figure 1].
case_images: Computerized tomography scan of the same patient was unremarkable apart from mild hydronephrosis and perinephric fat stranding
case_images: UA-7-109-g002.jpg
case_images: PMC4310099_01_UA-7-109-g002.jpg
case_images: F2
case_images: Noncontrast thin cuts hi-speed advantage spiral CT (General Electric Medical Systems, Milwaukee, USA) using flank pain protocol-helical technique with breath-holding at 120 kV, 200 mA with 5 mm collimation and viewed using the abdominal window) was done to evaluate the possibility of ureteric stone and was unremarkable apart from mild hydronephrosis and perinephric fat stranding [Figure 2].
case_images: Large renal stone as seen during ureteroscopy
case_images: UA-7-109-g003.jpg
case_images: PMC4310099_01_UA-7-109-g003.jpg
case_images: F3
case_images: She was admitted and underwent diagnostic retrograde pyelography and then ureteroscopy that revealed the presence of 2 cm x 2 cm stone in the right renal pelvis [Figure 3] that was subsequently easily fragmented by laser intracorporeal lithotripsy.