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: Surgery
A22 year old male patient presents with compete rectal prolapse.
The surgery of choice is 
Select and explain. 
A. Delormes procedure, B. Abdominal rectopexy, C. Altamaier rectopexy, D. Altamaier rectopexy
B: Abdominal rectopexy
Answer: B: Abdominal rectopexy 
Explanation: For young pts - Abdominal rectopexy is preferred.
For old pts - perineal rectopexy is preferred (delormes, altamaier).
Underlying cause must be treated.