This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries Around the Thigh & Knee, Subject name: Orthopaedics
Meralgia paresthetica involves? 
Select and explain. 
A. Lateral cutaneous nerve of thigh, B. Forearm, C. Radial nerve, D. Cutaneous branches of obturator nerve
A: Lateral cutaneous nerve of thigh
Answer: A: Lateral cutaneous nerve of thigh 
Explanation: ANSWER: (A) Lateral cutaneous nerve of thighREF: Differential diagnosis in neurology and neurosurgery: a clinician's pocket guide Page 243Repeat Orthopedics December 2009