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Transnasal Microsurgery Using a Micro-Pressure-Suction-Irrigation System for Pituitary Adenomas Takumi ABE 1 , Kiyoshi MATSUMOTO 1 , Motohiko SHIMAZU 1 , Hiroyuki JIMBO 1 , Shigeki SUNAGA 1 , Kenzi DOHI 1 , Ken SASAKI 1 , Hitoshi IZUMIYAMA 1 , Seidou OHKI 2 , Satoru FUJITANI 2 1Departments of Neurosurgery Showa University School of Medicine 2Departments of Otolaryngology Showa University School of Medicine Keyword: micro-pressure-suction-irrigation system , transnasal surgery , pituitary adenoma pp.225-231
Published Date 1999/3/10
DOI https://doi.org/10.11477/mf.1436901688
  • Abstract
  • Look Inside

Micro-pressure-suction-irrigation system (MPSIS), introduced by Luedecke et al, is an instrumentationfor the direct transnasal pituitary procedure. We improved this system for use in Japan. The irrigation sys-tem can effectively clean the operating field by one-hand manipulation and dissect tumor tissue by its rapidflow. The pressure of suction and irrigation can be adjusted respectively by a device in the handpiece. TheMPSIS is applicable to different stages of intervention because it is equipped with separate tips of variousdiameters, lengths and angles. This system is especially useful in combination with a micromirror or an en-closcopy for direct inspection of the eccentric tumor sites such as the cavernous sinus, the upper part of theplanum sphenoidale, or the posterior suprasellar regions. The use of the MPSIS helps to avoid injury tonormal tissue structures, and prevents tiny soft microadenoma from being lost during preparation. We haveproved the suitability and usefulness of the MPSIS in 22 surgical interventions for transnasal microsurgeryof pituitary adenomas.


Copyright © 1999, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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