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  • Title: Correlation of Histopathology and Clinical Symptoms in Meralgia Paresthetica.
    Author: Payne RA, Harbaugh K, Specht CS, Rizk E.
    Journal: Cureus; 2017 Oct 20; 9(10):e1789. PubMed ID: 29279815.
    Abstract:
    Meralgia paresthetica is a neuropathic pain disorder resulting from an entrapment neuropathy of the lateral femoral cutaneous nerve. This condition results in pain, paresthesias and numbness over the anterolateral aspect of the thigh. We present a case of meralgia paresthetica and discuss both the clinical and histopathological findings as they relate to one another. We report a case of meralgia paresthetica refractory to conservative treatment who underwent neurectomy with successful treatment of symptoms. Histopathological examination revealed moderate loss of myelinated axons with some axonal atrophy. The distinct pathologic findings were axonal regeneration clusters and thinly myelinated axons as well as moderate perineurial thickening. These findings corresponded well to the patient's preoperative symptoms of paresthesias and pain. This case serves to shed light on the pathophysiology of meralgia paresthetica and its clinical presentation. It also shows the role of surgical treatment in cases refractory to conservative management in order to alleviate painful symptoms.
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