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Supracerebellar Approach for Clival Chordomas: Technical Note
Atul Goel1, Tejas Vaja2, Abhidha Shah2
1Department of Neurosurgery, K.E.M. Hospital and Seth G.S. Medical College, Mumbai, India; Department of Neurosurgery, Lilavati Hospital and Research Centre, Mumbai, India.
World Neurosurgery
|July 24, 2020
Summary
The retrosigmoid and lateral supracerebellar approach enabled complete removal of large chordomas. This surgical technique provided wide exposure for complex tumor dissections near critical structures.
Area of Science:
- Neurosurgery
- Oncology
Background:
- Chordomas are rare bone tumors that can occur in the skull base.
- Large chordomas present significant surgical challenges due to their location and proximity to vital structures.
Purpose of the Study:
- To evaluate the efficacy of the retrosigmoid and lateral supracerebellar approach for resecting large chordomas.
- To assess the feasibility of achieving radical resection in complex skull base chordoma cases.
Main Methods:
- Retrosigmoid and lateral supracerebellar surgical approaches were utilized in five selected cases.
- Tumor characteristics including depth, extension, and relationship with neural and vascular structures were considered.
Main Results:
- The chosen surgical approach provided satisfactory and wide exposure for tumor dissection.
- Circumferential dissection was achieved, allowing access to tumors extending into the cavernous sinus region.
Conclusions:
- Radical resection of all five large chordomas was successfully achieved using the described surgical approach.
- The retrosigmoid and lateral supracerebellar approach is a viable option for managing complex skull base chordomas.
