Altered somatosensory processing in secondary trigeminal neuralgia: A case report

Secondary trigeminal neuralgia might be very rarely preceded by trigeminal neuropathic pain. The patient, in this case, presented with paroxysmal pain in the left mandible and numbness of the lower lip and tongue. Sensory testing of these areas revealed cold and heat hyperalgesia and mechanical hypo...

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Main Authors: Noboru Noma, Kana Ozasa, Andrew Young
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2021-01-01
Series:The Journal of Indian Prosthodontic Society
Subjects:
Online Access:http://www.j-ips.org/article.asp?issn=0972-4052;year=2021;volume=21;issue=3;spage=308;epage=310;aulast=Noma
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author Noboru Noma
Kana Ozasa
Andrew Young
author_facet Noboru Noma
Kana Ozasa
Andrew Young
author_sort Noboru Noma
collection DOAJ
description Secondary trigeminal neuralgia might be very rarely preceded by trigeminal neuropathic pain. The patient, in this case, presented with paroxysmal pain in the left mandible and numbness of the lower lip and tongue. Sensory testing of these areas revealed cold and heat hyperalgesia and mechanical hyposensitivity in the mandibular region. Magnetic resonance imaging showed a mass in the left cerebellopontine angle. The patient was prescribed systemic mirogabalin (2.5 mg/day), which provided some relief until the tumor was removed. The histopathological diagnosis was an epidermoid tumor. This article discusses the clinical characteristics and sensory testing findings that distinguish secondary trigeminal neuralgia from trigeminal neuropathic pain based on the International Classification of Orofacial Pain.
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spelling doaj.art-fc3bbe618cee4b2a89c68e67bb4f0cb42022-12-21T22:41:05ZengWolters Kluwer Medknow PublicationsThe Journal of Indian Prosthodontic Society0972-40521998-40572021-01-0121330831010.4103/jips.jips_75_21Altered somatosensory processing in secondary trigeminal neuralgia: A case reportNoboru NomaKana OzasaAndrew YoungSecondary trigeminal neuralgia might be very rarely preceded by trigeminal neuropathic pain. The patient, in this case, presented with paroxysmal pain in the left mandible and numbness of the lower lip and tongue. Sensory testing of these areas revealed cold and heat hyperalgesia and mechanical hyposensitivity in the mandibular region. Magnetic resonance imaging showed a mass in the left cerebellopontine angle. The patient was prescribed systemic mirogabalin (2.5 mg/day), which provided some relief until the tumor was removed. The histopathological diagnosis was an epidermoid tumor. This article discusses the clinical characteristics and sensory testing findings that distinguish secondary trigeminal neuralgia from trigeminal neuropathic pain based on the International Classification of Orofacial Pain.http://www.j-ips.org/article.asp?issn=0972-4052;year=2021;volume=21;issue=3;spage=308;epage=310;aulast=Nomainternational classification of orofacial painsecondary trigeminal neuralgiasensory testing
spellingShingle Noboru Noma
Kana Ozasa
Andrew Young
Altered somatosensory processing in secondary trigeminal neuralgia: A case report
The Journal of Indian Prosthodontic Society
international classification of orofacial pain
secondary trigeminal neuralgia
sensory testing
title Altered somatosensory processing in secondary trigeminal neuralgia: A case report
title_full Altered somatosensory processing in secondary trigeminal neuralgia: A case report
title_fullStr Altered somatosensory processing in secondary trigeminal neuralgia: A case report
title_full_unstemmed Altered somatosensory processing in secondary trigeminal neuralgia: A case report
title_short Altered somatosensory processing in secondary trigeminal neuralgia: A case report
title_sort altered somatosensory processing in secondary trigeminal neuralgia a case report
topic international classification of orofacial pain
secondary trigeminal neuralgia
sensory testing
url http://www.j-ips.org/article.asp?issn=0972-4052;year=2021;volume=21;issue=3;spage=308;epage=310;aulast=Noma
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