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This study aims to assess cognitive impairments pre- and postoperatively in glioma patients using established neurocognitive tests.

The Impact of Glioma Growth and Resection on Neurocognitive Impairment – a Prospective Observational Study

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This study aims to assess cognitive impairments pre- and postoperatively in glioma patients using established neurocognitive tests.
Prospective observational study design
Included patients undergoing microsurgical glioma resection
Neurocognitive function evaluated with a test battery preoperatively and during follow-up
Data analyzed using z-scores to assess cognitive domains
Focus on executive function and attention domains.
Preoperative impairments observed in 63.6% of patients on the trail-making test B
39.4% showed impairments on the Montreal Cognitive Assessment
Significant impairments in executive function and attention preoperatively and at follow-up
No surgery-related significant deterioration in cognitive performance observed.

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Prospective observational study finds preoperative cognitive deficits in glioma patients, indicating no significant deterioration post-surgery.

Schwendner et al. (2026) studied this question.

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Prospective observational study finds preoperative cognitive deficits in glioma patients, indicating no significant deterioration post-surgery.