Figure 2: (a) Robot-assisted laparoscopic bladder diverticulectomy. Delineation of bladder diverticulum after methylene blue injection (black arrow - left vas deferens; white arrow - medial umbilical ligament). (b) Division at the level of neck of diverticulum (black arrow - neck of diverticulum; white arrow - left ureter). (c) Suturing the bladder (Part of diverticulum used for traction). (d) View after the repair of bladder defect. (e) Final appearance after peritonealization (black arrow - preserved left vas deferens). (f) Computed tomography urogram showing smooth bladder wall at the previous site of diverticulum and normal ureters (Note the clips which had been used intra-operatively).