SURGICAL 3D ANATOMY OF TRANSCONDYLAR ACCESS IN THE SURGICAL TREATMENT OF BRAIN TUMORS

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Aim. Improvement of the results of surgical treatment of tumors of craniovertebral transition using transcondylar access. Material and Methods. An anatomical study of surgical approaches of cadaveric material with silicone filling of arteries and veins was done Clinical cases are represented by surgical treatment of tumors of the craniovertebral transition in 23 patients using this access. Results and Discussion. The results of a study of the surgical anatomy of transcondylar access are presented. It is shown that for adequate access a transposition of the vertebral artery is necessary. Based on the study, patients undergoing transcondylar access with transposition of the vertebral artery and removal of the jugular tubercle were performed in a seated or recumbent position, which allowed for the radical removal of tumors without neurological deficits. Conclusions. Transcondylar access with transposition of the vertebral artery is an alternative method of surgical treatment of ventral craniovertebral tumors.