Epidemiology of typical and atypical craniofacial neuralgias
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- Manzoni, G.C. & Torelli, P. Neurol Sci (2005) 26: s65. doi:10.1007/s10072-005-0410-0
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Trigeminal neuralgia (TN) has a prevalence of 0.1–0.2 per thousand and an incidence ranging from about 4–5/100 000/year up to 20/100 000/year after age 60. The female-to-male ratio is about 3:2. A review of several case series shows that pain is more predominant on the right side, but the difference is not statistically significant. TN is significantly associated with arterial hypertension, Charcot-Marie-Tooth neuropathy, glossopharyngeal neuralgia (GN) and multiple sclerosis. GN has an incidence of 0.7/100 000/year and epidemiological studies have shown it to be less severe than previously thought. Post-herpetic neuralgia has a comparable incidence to idiopathic TN. The epidemiology of the central causes of facial pain is still unclear, but it is known that persistent idiopathic facial pain is a widespread, not easily manageable problem.