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Does brain tumor histology influence cognitive function?
Anne E Kayl1, Christina A Meyers
1The University of Texas MD anderson Cancer Center, Department of Neuro-Oncology, Houston, TX 77030, USA. akayl@mail.mdanderson.org
Neuro-Oncology
|October 21, 2003
Summary
Tumor histology did not significantly predict cognitive function in patients with malignant brain tumors. Anaplastic astrocytoma (AA) and glioblastoma multiforme (GBM) showed similar postsurgical cognitive outcomes.
Area of Science:
- Neuroscience
- Oncology
- Cognitive Psychology
Background:
- Malignant brain tumors significantly impact cognitive function.
- Understanding the influence of tumor histology on post-surgical cognition is crucial for patient management.
Purpose of the Study:
- To investigate the relationship between tumor histology and postsurgical cognitive function.
- To compare cognitive performance in patients with anaplastic astrocytoma (AA) versus glioblastoma multiforme (GBM).
Main Methods:
- Retrospective study comparing 24 AA patients with 24 GBM patients.
- Groups matched for age, gender, education, tumor location, and volume.
- Neuropsychological tests assessed Intellectual, Language, Memory, Executive, and Motor functions.
Main Results:
- Anaplastic astrocytoma patients had higher mean raw scores on most measures.
- No significant differences in 5 neuropsychological domain scores between AA and GBM groups.
- Tumor histology was not a significant predictor of domain scores after controlling for tumor volume.
Conclusions:
- Tumor histology is not a strong predictor of cognitive performance in adults with AA and GBM.
- Postsurgical cognitive outcomes appear similar between these two malignant brain tumor types.
- Further research may explore other factors influencing cognitive deficits.