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Updated: Dec 19, 2025
On-Site Sampling and Extraction of Brain Tumors for Metabolomics and Lipidomics Analysis
Published on: May 31, 2020
Metabolic targeting can improve the efficiency of brain tumor biopsies
Maikal Villena Martín1, Francisco José Pena Pardo2, Fátima Jiménez Aragón3
1Neurosurgery Department, University General Hospital, Ciudad Real, Spain.
Abstract:
Brain tumors comprise a heterogeneous group of diseases, featuring different biology, prognosis, and treatment. The most known forms are malignant gliomas and metastases. Brain biopsy is a recognized technique in the management of intracranial space-occupying lesions and tumors in particular. Tumor heterogeneity of malignant brain lesions has been described and can lead to significant sampling errors in stereotactic biopsy. Different methods have been used to perform biopsies, including biopsy guided by CT or RMI, echoguided or stereotactic. The choice of the target with the help of PET and MRI with spectroscopy allows one to identify metabolically more active areas of the tumor, and in this way reduce the rate of negative results.
Insights
Brain biopsies are crucial for diagnosing brain tumors, but heterogeneity can cause errors. Advanced imaging like PET and MRI with spectroscopy helps target active tumor areas, improving diagnostic accuracy.
Area of Science:
- Neurosurgery
- Oncology
- Radiology
Background:
- Brain tumors are diverse, impacting prognosis and treatment.
- Malignant gliomas and metastases are common brain tumor types.
- Brain biopsy is essential for diagnosing intracranial lesions.
Purpose of the Study:
- To highlight the challenges of brain tumor heterogeneity in biopsies.
- To discuss various biopsy guidance techniques.
- To emphasize advanced imaging for improved biopsy targeting.
Main Methods:
- Review of different brain biopsy methods (CT, MRI, echo, stereotactic).
- Discussion of imaging techniques like PET and MRI spectroscopy.
- Analysis of targeting strategies to mitigate sampling errors.
Main Results:
- Tumor heterogeneity can lead to significant sampling errors in stereotactic biopsies.
- Advanced imaging (PET, MRI spectroscopy) aids in identifying metabolically active tumor regions.
- Improved targeting reduces the rate of negative biopsy results.
Conclusions:
- Accurate brain tumor diagnosis relies on effective biopsy techniques.
- Advanced imaging significantly enhances the precision of brain tumor biopsies.
- Targeting metabolically active areas minimizes diagnostic errors and improves patient management.
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