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Aberrant jugular bulb vein obstructing approach to intracanalicular vestibular schwannoma

Published online by Cambridge University Press:  29 June 2007

Takeshi Tsutsumi*
Affiliation:
Department of Otolaryngology, Faculty of Medicine, Tokyo Medical and Dental University, Tokyo 113-8519, Japan.
Atsunobu Tsunoda
Affiliation:
Department of Otolaryngology, Faculty of Medicine, Tokyo Medical and Dental University, Tokyo 113-8519, Japan.
Kumiko Shimamoto
Affiliation:
Department of Otolaryngology, Faculty of Medicine, Tokyo Medical and Dental University, Tokyo 113-8519, Japan.
Atsushi Komatsuzaki
Affiliation:
Department of Otolaryngology, Faculty of Medicine, Tokyo Medical and Dental University, Tokyo 113-8519, Japan.
*
Address for correspondence: Dr. T. Tsutsumi, Department of Otolaryngology, Faculty of Medicine, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo-ku, Tokyo 113-8519, Japan. Fax: 81 3-3813-2134.

Abstract

In cases of jugular bulb anomalies, such as a high jugular bulb, troublesome bleeding may occur during surgery. We report an unusual case with a vestibular schwannoma, in which we recognized an additional branch arising from the jugular bulb. Three-dimensional computed tomography (3-D CT) revealed this anomaly beforehand, enabling us to avert excessive bleeding upon resection of the tumour. The abnormal vein was thought to be a remnant of the petrosquamosal sinus in the embryonic stage.

Type
Clinical Records
Copyright
Copyright © JLO (1984) Limited 1998

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