How is the differential diagnoses of trigeminal neuralgia (TN) narrowed?

Updated: Jul 11, 2019
  • Author: Manish K Singh, MD; Chief Editor: Robert A Egan, MD  more...
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Answer

Other causes of facial pain than trigeminal neuralgia (TN) are excluded by history, physical examination, and special investigations (when necessary). In symptomatic cases, a persistence of aching can occur between paroxysms, as well as signs of sensory impairment in the trigeminal division. Then, a cause is demonstrated by appropriate investigation.


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