PMC6076933_01
(a, b) Computed tomography image at the first visit showing a renal stone within a calyceal diverticulum of the right kidney. (c, d) The preoperative computed tomography image shows a right ureteral stone (5 x 5 mm) and hydronephrosis. The stone within the diverticulum seemed to have moved to the upper ureter.
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We performed computed tomography and diagnosed a right renal stone in her ureteropelvic junction (Figure 1).
Computed tomography image on postoperative day 1 showing perinephric extravasation of urine and collapse of calyceal diverticulum. A high-density area of the diverticulum indicated bleeding due to rupture.
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C). Computed tomography showed perinephric extravasation of urine and bleeding inside the diverticulum (Figure 2).