Surgical treatment and prognosis of adult patients with brainstem gliomas

The paper presents 47 adult patients who were surgically treated due to brainstem gliomas. Thirteen patients presented with contrast-enhancing Grades III and IV gliomas, according to the WHO classification, 13 patients with contrast-enhancing tumours originating from the glial cells (Grade I; WHO cl...

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Bibliographic Details
Published in:Neurologia i neurochirurgia polska 2018-09, Vol.52 (5), p.623-633
Main Authors: Majchrzak, Krzysztof, Bobek-Billewicz, Barbara, Hebda, Anna, Majchrzak, Henryk, Ładziński, Piotr, Krawczyk, Lech
Format: Article
Language:English
Subjects:
Brain cancer
Brainstem glioma
DTI
Glioma
Medical prognosis
MEP
Prognosis
Surgical treatment
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Summary:The paper presents 47 adult patients who were surgically treated due to brainstem gliomas. Thirteen patients presented with contrast-enhancing Grades III and IV gliomas, according to the WHO classification, 13 patients with contrast-enhancing tumours originating from the glial cells (Grade I; WHO classification), 9 patients with diffuse gliomas, 5 patients with tectal brainstem gliomas and 7 patients with exophytic brainstem gliomas. During the surgical procedure, neuronavigation and the diffusion tensor tractography (DTI) of the corticospinal tract were used with the examination of motor evoked potentials (MEPs) and somatosensory evoked potentials (SSEPs) with direct stimulation of the fundus of the fourth brain ventricle in order to define the localization of the nuclei of nerves VII, IX, X and XII. Cerebellar dysfunction, damage to cranial nerves and dysphagia were the most frequent postoperative sequelae which were also the most difficult to resolve. The Karnofsky score established preoperatively and the extent of tumour resection were the factors affecting the prognosis. The mean time of progression-free survival (14 months) and the mean survival time after surgery (20 months) were the shortest for malignant brainstem gliomas. In the group with tectal brainstem gliomas, no cases of progression were found and none of the patients died during the follow-up. Some patients were professionally active. Partial resection of diffuse brainstem gliomas did not prolong the mean survival above 5 years. However, some patients survived over 5 years in good condition.
ISSN:0028-3843
1897-4260
DOI:10.1016/j.pjnns.2018.08.008