case_images: PMC6135561_01
case_images: Abdominal CT revealed an engorged appendix with no hydronephrosis over the bilateral kidney.
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case_images: Abdominal CT revealed a fecalith at the tip of the appendix and absence of hydronephrosis in the bilateral kidney (Fig. 1).
case_images: Renal ultrasonography revealed bilateral mild-to-moderate hydronephrosis ~11 mm after laparoscopic appendectomy on POD10.
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case_images: Follow-up with abdominal ultrasonography revealed bilateral hydronephrosis, but no intra-abdominal abscess (Fig. 2).
case_images: Kidney, ureter, and bladder studies revealed increased stomach and bowel gas patterns without obvious ureteral calculi.
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case_images: Kidney, ureter, and bladder radiograph (KUB) studies revealed increased stomach and bowel gas patterns, but no obvious ureteral stone formation (Fig. 3).
case_images: Right ureteral stone with inflammation at the orifice and left ureteral stone ~2 cm proximal to the ureterovesical junction.
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case_images: Bilateral obstructing stones were noted at the right ureteral orifice and left ureter, ~2 cm proximal to the ureterovesical junction, resulting to severe hydronephrosis (Fig. 4).