This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peripheral nerve injuries, Subject name: Orthopaedics
[{'content': 'Meralgia paresthetica is due to involvement/injury of which of the following nerve ? \nSelect and explain. \nA. Medial cutaneous nerve of thigh, B. Lateral cutaneous nerve of thigh, C. Sural nerve, D. Femoral nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Meralgia paresthetica is due to the involvement of lateral cutaneous nerve of thigh . *type - idiopathic , spontaneous , iatrogenic * clinical features - pain ,numbness, & paresthesia along the anterolateral aspect of thigh *Diagnostic test -if there is relief if pain after & paresthesia after injecting local anaesthetic * treatment : conservative - idiopathic : improve by removal of compressive agent ,NSAIDS & local steroid injection - iatrogenic : care should be exercised during pelvic surgery : surgery - neurolysis or transection of the nerves REF:textbook of ohopedics, John Ebenezer,4th edition,pg.no.347', 'role': 'assistant'}]