Etiopathogenesis of Trigeminal Neuralgia
Trigeminal neuralgia (TGN) is characterized by sudden, usually unilateral, recurrent lancinating pain arising from one or more divisions of the trigeminal nerve. It is a well-known medical condition for quite some time, but its etiopathogenesis is yet to be fully understood. The diagnosis is based on subjective pain perception rather than laboratory findings. The characteristic signs and symptoms, and response to distinctive set of therapeutic modalities helps not only in disease identification but also unveils the underlying pathogenetic mechanism. TGN is significantly more common with advancing age, and nearly twice as common in women than men . Understanding the etiopathogenesis of the condition is important for proper management and elimination of contributing factors. Unfortunately, many of the patients may not have an identifiable cause and disease remains mainly idiopathic. This chapter will summarise the etiopathogenesis of TGN.
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