Chiari type 1.5 malformation as a cause of secondary trigeminal neuralgia: case report and literature discussion

Abstract Background Chiari syndrome is a very rare cause of secondary trigeminal neuralgia (TN).There are a few cases of TN associated with Chiari syndrome in the literature, and all of these cases were reported as Chiari type 1.In this report, we present a case of secondary trigeminal neuralgia caused by Chiari type 1.5 for the first time unlike t

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