THREE CASES OF TRIGEMINAL NEURINOMA EXTENDING TO INTRACRANIAL AND EXTRACRANIAL SPACE
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Accession number;04A0146753
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| Title;THREE CASES OF TRIGEMINAL NEURINOMA EXTENDING TO INTRACRANIAL AND EXTRACRANIAL SPACE |
| Author;
WAKASHIMA JUN'ICHI
(Fed. of Natl. Public Serv. and Affil. Personnel Mutual Aid Assoc., Tonan Hosp.)
ASANO KATSUJI
(Fed. of Natl. Public Serv. and Affil. Personnel Mutual Aid Assoc., Tonan Hosp.)
SOMEKAWA YUKIHIRO
(Hokkaido Railway Co., JR Sapporo Hospital, JPN)
OGURO SHINJI
(Fed. of Natl. Public Serv. and Affil. Personnel Mutual Aid Assoc., Tonan Hosp.)
TAIRA ATSUSHI
(Fed. of Natl. Public Serv. and Affil. Personnel Mutual Aid Assoc., Tonan Hosp.)
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Journal Title;Head and Neck Cancer
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Journal Code:Y0503A
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ISSN:0911-4335
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VOL.28;NO.1;PAGE.153-159(2002)
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| Figure&Table&Reference;FIG.11, REF.14 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;Trigeminal neurinoma (TN) usually arises in middle cranial fossa or posterior cranial fossa. However, less commonly, TN may extend from middle cranial fossa to extracranial spaces. Three cases of TN extending to both intracranial fossa and extracranial spaces were surgically treated at Tonan Hospital. The first case arising from the second branch of the trigeminal nerve extended into pterigopalatine fossa, infratemporal fossa and maxillary sinus, and surgery was performed by combined zygomatic infratemporal approach and transmaxillary approach. The second case arising from the second branch extended up to orbital apex, and surgery was performed by combined orbitozygomatic infratemporal approach and transmaxillary approach. The third case arising from the third branch extended into infratemporal fossa, parapharyngeal space, middle ear cavity and external auditory canal, and the tumor was excised by combined infratemporal approach, transmandibular approach with lateral mandibulotomy and microscopic otosurgical approach. TN arising from the second or third branch tends to extend from middle cranal fossa to infratemporal fossa. These tumors have less tendency to show symptoms. Therefore, at the time of diagnosis, these are likely to extend multiple extracranial spaces. For excising these tumors, it is important to understand the exact location and extending pattern of TN by computed tomography and/or magnetic resonance imaging, and an optimal surgical approach should be planned regarding both functional and cosmetic aspects. (author abst.) |
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