Neurosonology
Print ISSN : 0917-074X
ISSN-L : 0917-074X
Navigation Using Stereotactic Marker Insertion for Glioma Surgery
Yuki YOSHIDATakaaki BEPPUHiroshi ARAITsukasa WADAMichiyasu SUZUKIAkira OGAWA
Author information
JOURNAL FREE ACCESS

1997 Volume 10 Issue 4 Pages 181-185

Details
Abstract

Objective: It is difficult to define the boundary of a tumor grossly during glioma surgery. Because of this, it is often necessary to use some landmarks. In order to verify the localization of the tumor and the range of tumor removed in the process of surgery, we measure the extent of tumor removal using a stereotactic device and a marker is used as a navigator to define the deep boundary in the process of tumor removal. We will present this method and the device that we have developed, and discuss its usefulness. Method: The subjects were 21 patients with glioma. The stereotactic device was used to set landmarks on the boundary of the tumor or the boundary of removal on CT or MRI. A marker was inserted by perforation and retained, and craniotomy was performed. The glioma was removed under microscopic observation while the marker was visualized by echo during surgery. The marker that we developed was made of silicon containing two stainless steel balls. The material could be visualized by echo, X-ray and CT. Conclusion: After the start of surgery, we often experience difficulty in defining the deep boundary because of CSF leakage. Retaining a marker enables us to define the boundary of the tumor without missing landmarks. This makes it possible to perform surgery accurately and in a short time. This method can be carried out using existing stereotactic devices, and does not require any special technique. The device that we have developed can be easily visualized by echo and X-ray. Therefore, this method appears to be useful for glioma surgery.

Content from these authors
© The Japan Academy of Neurosonology
Previous article Next article
feedback
Top