This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Accidental injury of the ureter during abdominal operation should be managed by all except: 
Select and explain. 
A. Deligation, B. End-to-end anastomosis through an ureteric catheter, C. Implantation into the bladder, D. Colonic implantation
D: Colonic implantation
Answer: D: Colonic implantation 
Explanation: Surgeries for ureteric fistula:
• Bladder flap procedure (modified Boari–Ocker–Blad)
• Ureteroneocystostomy
• Implantation into the bladder
Note: End to end anastomosis may lead to stricture formation.
Colonic transplantation results in recurrent pyelonephritis and hyperchloremic acidosis.