title: Tic versus TAC: differentiating the neuralgias (trigeminal neuralgia) from the cephalalgias (SUNCT and SUNA).
abstract: Trigeminal neuralgia, short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing (SUNCT) and short-lasting unilateral neuralgiform headache attacks with autonomic symptoms (SUNA) are classified as distinct disorders in the International Classification of Headache Disorders 3 beta (ICHD-3 beta). SUNCT and SUNA are primary headache disorders included among the trigeminal autonomic cephalalgias. Trigeminal neuralgia is classified under painful cranial neuropathies and other facial pains. The classification criteria of these conditions overlap significantly which could lead to misdiagnosis. The reported overlap among these conditions has called into question whether they should be considered distinct entities or rather a continuum of the same disorder. This review explores the known overlap and how other features not included in the ICHD-3 beta criteria may better differentiate the "Tics" (trigeminal neuralgia) from the "TACs" (SUNCT and SUNA).
authors.affiliation: Department of Pediatrics, Division of Neurology, University of Alberta, 4-478 Edmonton Clinic Health Academy, 11405-87 Avenue, Edmonton, Alberta, T6G 1C9, Canada, juliana.vanderpluym@albertahealthservices.ca.
authors.forename: Juliana
authors.initials: J
authors.lastname: VanderPluym
authors.forename: Lawrence
authors.initials: L
authors.lastname: Richer
mesh_terms: D017668:Age of Onset; D018712:Analgesics, Non-Narcotic / Q000627:therapeutic use*; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use*; D002220:Carbamazepine / Q000627:therapeutic use*; D003937:Diagnosis, Differential; D007839:Functional Laterality; D059907:Functional Neuroimaging; D006801:Humans; D007213:Indomethacin / Q000627:therapeutic use*; D038801:International Classification of Diseases; D010102:Oxygen Inhalation Therapy / Q000379:methods*; D010147:Pain Measurement; D017678:Sex Distribution; D051303:Trigeminal Autonomic Cephalalgias / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy; D014277:Trigeminal Neuralgia / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy
chemical_list: D018712:Analgesics, Non-Narcotic; D000894:Anti-Inflammatory Agents, Non-Steroidal; D002220:Carbamazepine; D007213:Indomethacin