Lower third clivus and foramen magnum intradural tumor removal: The plea for a simple posterolateral approach

Neuro-Chirurgie
F BernardH D Fournier

Abstract

Anterior or anterolateral lesions of the lower third clivus and/or foramen magnum require a surgical exposure that provides a clear visualization of both pathological and normal anatomy without retraction of neural or vascular structures. The posterolateral approach permits access to the anterolateral intradural aspect of the brainstem. The aim of this study was to stress that there is no need for vertebral artery transposition, occipital condyle drilling, occipitocervical fixation or trans-oro-pharyngeal access to remove these lesions. All five consecutive patients treated surgically for an intradural foramen magnum lesion in the Department of Neurosurgery at Angers University Hospital, between May 2012 and January 2015, were included in this retrospective study. In 4 cases, patients were referred to us for a second opinion after an initial surgical proposal at another institution. For all patients, the data collected were age at diagnosis, clinical signs, and quality of rostral and caudal exposure of the lesion, quality of resection, complications and postoperative neurological deficits. All patients were operated on with a control of the rostrocaudal part of the lesion, without touching the vertebral artery, or the use of oc...Continue Reading

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Citations

Nov 6, 2018·The Journal of Craniofacial Surgery·Ke TangYang Li

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