This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hernia and abdominal wall, Subject name: Surgery
Most common nerve injured during hernia surgery: 
Select and explain. 
A. Ilioinguinal nerve, B. Iliohypogastric nerve, C. Genitofemoral nerve, D. None of the above
A: Ilioinguinal nerve
Answer: A: Ilioinguinal nerve 
Explanation: External oblique aponeurosis is in close relation to ilioinguinal nerve & hence during operation for inguinal hernia, prevention of injury to ilioinguinal nerve to avoid later development of incisional hernia is very impoant. MC injured nerve in laparoscopic hernia repair: Lateral cutaneous nerve of thigh > Genitofemoral nerve (GFN) MC injured nerve in open hernia repair: Ilioinguinal nerve > IlioHypogastric nerve> Genital branch of GFNQ (GHI in reverse sequence)