Awake craniotomy in an adolescent patient with an extraventricular neurocytoma

Outcome MRI was performed at 3, 12, 24 and 36 months after surgery and showed no evidence of residual tumour and no recurrence (figure 4). Since GTR was obtained and no atypical elements were found on histological examination, the patient did not undergo radiotherapy. Discussion Extraventricular neu...

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Published inBMJ case reports Vol. 16; no. 11; p. e256102
Main Authors Ricciuti, Riccardo Antonio, Mancini, Fabrizio, Ricciuti, Vittorio, Paracino, Riccardo
Format Journal Article
LanguageEnglish
Published England BMJ Publishing Group LTD 17.11.2023
Subjects
Adolescent
Brain cancer
Brain diseases
Brain Neoplasms - diagnostic imaging
Brain Neoplasms - surgery
Brain surgery
Case reports
Craniotomy
Edema
Humans
Language
Magnetic Resonance Imaging
Morphology
Neurocytoma - diagnostic imaging
Neurocytoma - surgery
Neuropsychology
Precancerous Conditions
Radiation therapy
Surgery
Teenagers
Tumors
Wakefulness
Neuroimaging
Neurosurgery
Neurooncology
Clinical neurophysiology
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Summary:Outcome MRI was performed at 3, 12, 24 and 36 months after surgery and showed no evidence of residual tumour and no recurrence (figure 4). Since GTR was obtained and no atypical elements were found on histological examination, the patient did not undergo radiotherapy. Discussion Extraventricular neurocytoma (EVN) is a rare tumour with similar histopathological characteristics of CNC that occurs in lateral ventricles.2 Usually, these tumours are large lesions with significant overlap in imaging appearance with other brain neoplasms. [...]it is difficult to make an accurate preoperative diagnosis. According to 2016 and 2021 WHO classification, EVN is generally considered as a grade-2 tumour, except for those with atypical histological features that include increased mitotic figures, focal necrosis, endothelial cell proliferation and/or a Ki-67 index of>2%. Diagnosis of low-grade tumour should not be made only by preoperative MRI findings, because radiological features of EVN overlap with those of more aggressive primary brain tumours. [...]we planned an awake craniotomy with continuous language and cognitive function monitoring, aiming to GTR while prevent postoperative deficit.
Bibliography:ObjectType-Case Study-2
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ISSN:1757-790X
1757-790X
DOI:10.1136/bcr-2023-256102