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Supplementary Material for: A Case Report of Pediatric Geniculate Neuralgia Treated with Sectioning of the Nervus Intermedius and Microvascular Decompression of Cranial Nerves IX and X

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posted on 14.01.2021, 06:32 by Zenonos G., McDowell M.M., Abou-Al-Shaar H., Alkhalili K., Gardner P.A.
Background: Classic geniculate neuralgia (GN) is a rare condition characterized by lancinating pain centered in the ear and not involving the throat. To the best of our knowledge, no case of pediatric GN has been reported in the English literature. Case Presentation: We present the first reported case of successfully treated GN in a child via an endoscopic approach. The patient was a 9-year-old boy who presented with a 1-year history of lancinating right ear pain. Neuroleptics resulted in a short-lived improvement in symptoms, but with significant side effects. Extensive evaluation by multiple specialties did not reveal a cause for his pain. Imaging disclosed a tortuous loop of the right posterior inferior cerebellar artery abutting cranial nerves IX and X but no other abnormalities. The patient underwent an endoscopic microvascular decompression of cranial nerves IX and X, and sectioning of the nervus intermedius through a right retromastoid craniotomy. Postoperatively, the patient reported complete resolution of his symptoms that persisted at 3 months of follow-up. At the 5-year follow-up, the patient maintained pain relief and was developing normally. Conclusion: GN can affect the pediatric population. In carefully selected patients with consistent clinical and radiographic presentation, sectioning of the nervus intermedius and microvascular decompression of the lower cranial nerves can be an effective treatment.