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Jugular foramen schwannoma: analysis on its origin and location.

 Mee Hyun Song  ;  Hye Yeon Lee  ;  Je Sool Jeon  ;  Jong Dae Lee  ;  Ho-Ki Lee  ;  Won-Sang Lee 
 OTOLOGY & NEUROTOLOGY, Vol.29(3) : 387-391, 2008 
Journal Title
Issue Date
Adolescent ; Adult ; Cranial Nerve Neoplasms/pathology* ; Cranial Nerve Neoplasms/surgery ; Dissection ; Female ; Ganglia, Sensory/pathology ; Glossopharyngeal Nerve/pathology* ; Humans ; Jugular Veins* ; Male ; Middle Aged ; Neurilemmoma/pathology* ; Neurilemmoma/surgery ; Petrous Bone ; Retrospective Studies ; Skull Base ; Vagus Nerve/pathology*
Anatomy ; Jugular foramen ; Schwannoma
OBJECTIVE: To examine the microsurgical anatomy of the jugular foramen and correlate anatomical findings to clinical manifestations of jugular foramen schwannomas concerning tumor origin and location.

STUDY DESIGN: Anatomical analysis of jugular foramen was performed by dissection of 25 cadavers (50 sides). By retrospective review of 9 cases of jugular foramen schwannomas surgically treated, the origin and location of tumor were studied.

SETTING: Tertiary referral center.

MAIN OUTCOME MEASURES: The anatomical characteristics of jugular foramen, lower cranial nerves, and inferior petrosal sinus were correlated with the origin and growth pattern of jugular foramen schwannomas.

RESULTS: The superior and inferior ganglions of the glossopharyngeal nerve and the superior ganglion of the vagus nerve were located within the jugular foramen. The superior ganglions of the glossopharyngeal and vagus nerves were located superiorly, whereas the inferior ganglion of the glossopharyngeal nerve was found inferiorly in relation to the inferior petrosal sinus orifice. In our series of 9 cases of jugular foramen schwannoma, the most common nerve of origin was the vagus nerve, followed by the glossopharyngeal nerve.

CONCLUSION: The reason for the predilection of the jugular foramen schwannoma for the glossopharyngeal and vagus nerves may be associated with the presence of their ganglions within the jugular foramen. Also, the inferior petrosal sinus may act as a barrier to tumor growth, and the location of the ganglion of tumor origination within the jugular foramen in relation to the inferior petrosal sinus may be correlated to the predominant direction of tumor extension.
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1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Song, Mee Hyun(송미현)
Lee, Won Sang(이원상)
Lee, Jong Dae(이종대)
Lee, Hye Yeon(이혜연) ORCID logo https://orcid.org/0000-0001-6945-1967
Lee, Ho Ki(이호기)
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