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An extensive transbasal approach to frontal skull-base tumors. Technical note
K Kawakami1, Y Yamanouchi, C Kubota
1Department of Neurosurgery, Kansai Medical University, Moriguchi, Japan.
Journal of Neurosurgery
|June 1, 1991
Summary
A novel extensive transbasal approach using orbital roof and frontal sinus osteotomy offers improved access for large frontal skull base tumors. This technique enhances surgical exposure compared to traditional bilateral frontal craniotomies.
Area of Science:
- Neurosurgery
- Surgical Oncology
Background:
- Frontal skull base lesions conventionally require bilateral frontal craniotomy.
- Large or deep lesions necessitate extensive frontal lobe retraction, increasing surgical risks.
Purpose of the Study:
- To introduce and describe a modified transbasal approach for extensive tumors at the frontal skull base.
- To detail the
Main Methods:
- En bloc bilateral osteotomy of the orbital roofs and frontal sinus.
- Modification of the transbasal approach by Derome and Guiot.
Main Results:
- The extensive transbasal approach provides a wider operative field for large frontal skull base tumors.
- This technique potentially reduces the need for excessive frontal lobe retraction.
Conclusions:
- The extensive transbasal approach is a valuable alternative for managing huge frontal skull base tumors.
- This modified technique offers advantages over conventional surgical methods.