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Keywords:

  • trigeminal autonomic cephalgia;
  • paroxysmal hemicrania;
  • SUNCT;
  • trigeminal neuralgia;
  • pathophysiology;
  • hypothalamus

Background.—Trigeminal autonomic cephalgias (TACs) and trigeminal neuralgia are short-lasting unilateral primary headaches whose study is providing insights into craniofacial pain mechanisms. We report on 2 patients in whom trigeminal neuralgia coexists with the TACs paroxysmal hemicrania and SUNCT.

Conclusion.—Coexistence of trigeminal neuralgia with various TAC forms suggests a pathophysiological relationship between these short-lasting unilateral headaches.