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[Research progress on meralgia paresthetica after posterior spine surgery].

Meralgia paresthetica (MP) after posterior spine surgery is caused by mechanical compression injury of lateral femoral cutaneous nerve, which presents as numbness or paresthesia in the confined area of the anterolateral thigh. MP after posterior spine surgery is a common postoperative complication, and the incidence is 12.7%-25.5%. Because its clinical manifestations are mild and easy to be ignored, often leading to treatment delays. This article mainly reviews the incidence, risk factors, prevention and treatment of MP after posterior spine surgery.