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Trigeminal neuralgia secondary to vascular compression and neurocysticercosis: illustrative case

Mao Vásquez, Luis J. Saavedra, Hector H. García, Evelyn Vela, Jorge E. Medina, Miguel Lozano, Carlos Hoyos, and William W. Lines-Aguilar

Trigeminal neuralgia (TN) is the most common type of facial pain, negatively affecting quality of life and work capacity in 34% of patients. 1 TN has a prevalence of 4–13 cases per 100,000 inhabitants 1–3 and generally affects patients older than 50 years, with a female-to-male ratio of 1.5 to 1. In primary (classic) TN, compression by vascular loops is found at the entrance of the trigeminal nerve to the brainstem. 4 , 5 In secondary TN, 6 , 7 extrinsic compression of the trigeminal nerve triggers the pain. The most common causes of extrinsic TN are