Related Experiment Video
Updated: Aug 10, 2026
Implementation of Minimally Invasive Brain Tumor Resection in Rodents for High Viability Tissue Collection
Published on: May 9, 2022
Neuro-oncological problems in the histological diagnosis of stereotactic biopsies
1Clinica Neurologica II, Università di Torino, Italy.
Abstract:
Stereotactic biopsy, together with CT and MRI, plays a very important role in the diagnosis of intracranial neoplasms and in their subsequent treatment. Serial neuroimaging-driven biopsies are considered the method of choice when dealing with gliomas, due to their well know morphological dishomogeneity; peritumoral tissues can also be investigated. Oncotype diagnosis, identification of malignancy grading and delimitation of the tumor are evaluated both with the quick perioperatory method of smears and then, in order to minimize errors, definitively evaluated on the paraffin-embedded specimens. Despite these precautions, several specific criteria must be taken into account in order to achieve the correct diagnosis.
Insights
Stereotactic biopsy, guided by CT and MRI, is crucial for diagnosing and treating brain tumors like gliomas. This method, using smear tests and paraffin-embedded specimens, ensures accurate tumor grading and delineation.
Area of Science:
- Neurosurgery
- Neuroradiology
- Neuropathology
Background:
- Intracranial neoplasms require accurate diagnosis and treatment planning.
- Gliomas exhibit significant morphological heterogeneity, complicating diagnosis.
Purpose of the Study:
- To highlight the role of stereotactic biopsy in diagnosing and treating intracranial neoplasms.
- To emphasize the importance of neuroimaging-guided biopsies for gliomas.
- To discuss diagnostic procedures including smear tests and paraffin-embedded specimens.
Main Methods:
- Stereotactic biopsy guided by computed tomography (CT) and magnetic resonance imaging (MRI).
- Serial neuroimaging-driven biopsies for glioma diagnosis.
- Intraoperative smear cytology and definitive histopathological evaluation of paraffin-embedded specimens.
Main Results:
- Stereotactic biopsy is essential for diagnosing and treating brain tumors.
- Neuroimaging-guided biopsies are the preferred method for heterogeneous gliomas.
- Combined smear and paraffin-embedded specimen analysis minimizes diagnostic errors.
Conclusions:
- Stereotactic biopsy, integrated with advanced imaging, is vital for accurate intracranial neoplasm management.
- Careful adherence to diagnostic criteria is necessary for reliable tumor grading and delineation.
- This approach facilitates precise treatment strategies for brain tumors.
More Related Videos
08:57Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models
Published on: May 17, 2024
07:42Modelling Brain Metastasis: Standardized Analysis of Metastatic Colonization and Histological Growth Patterns by Stereotactic Intracortical Injection
Published on: January 16, 2026