This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rectum, Subject name: Surgery
Treatment of rectal prolapsed in childhood is: 
Select and explain. 
A. Lahaut's operation, B. Incision of prolapsed mucosa, C. Thiersch wiring, D. Ripstein operation
C: Thiersch wiring
Answer: C: Thiersch wiring 
Explanation: Ans. (c) Thiersch wiringRectal prolapse in childhood:* Most common in age 8-12 months* Usually follows an episode of severe diarrhea due to loss of perirectal pad of fat* It may also follow pin worm infestation and malabsorption.* Conservative management:# Control diarrhea, worm infestation and correct malnutrition# Surgery is reserved if there is persistent disease after manual reduction* Options in childhood:# 5% phenol in olive oil injected Submucosally# Thiersch encirclage operation.# Lockhart Mummery rectopexy