EMBlog Mayo Clinic - March 23, 2105 - By Daniel Cabrera
"Trigeminal neuralgia (TN) is a common reason for presentation to the Emergency Department (ED) and although not life threatening, the pain can be quite severe creating distress for both patient and health care providers.TN is common, with an incidence of about 5 per 100000 people. It is more frequent in women than men (1:1.7) and far more usual in patients 50 years and older. The pathophysiology is unclear but most experts agree that likely is caused by microvascular compression of the nerve on its trajectory leading to demyelinazation and abnormal propioception. Secondary to the mechanism, TN is classified as Classic (or classical) when is idiopathic or believed to be secondary to microvascular compression or Painful Trigeminal Neuropathy when is caused by others conditions.
Some causes of Painful Trigeminal Neuropathy (Secondary):
- Painful trigeminal neuropathy attributed to acute herpes zoster
- Postherpetic trigeminal neuropathy
- Painful posttraumatic trigeminal neuropathy
- Painful trigeminal neuropathy attributed to multiple sclerosis plaque
- Painful trigeminal neuropathy attributed to space-occupying lesion"
http://emblog.mayo.edu/discussion/trigeminal-neuralgia-diagnosis-and-management/
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