Fig. 1.

Hydroureteronephrosis caused by a giant fecaloma in the rectum. (A) Computed tomography (CT) of the abdomen-pelvis showing hydronephrosis in the right kidney. (B) CT of the abdomen-pelvis showing a huge distended rectum containing a giant fecaloma pushing the urinary bladder anteriorly and compressing the vesicoureteral junction. (C) CT of the abdomen-pelvis showing right hydroureter owing to a markedly dilated rectum caused by the huge fecaloma. (D) Giant fecaloma is visible in the kidney-ureter-bladder image.