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Stereotactic Radiosurgery for Low-Grade Gliomas.

08:00 EDT 16th May 2019 | BioPortfolio

Summary of "Stereotactic Radiosurgery for Low-Grade Gliomas."

Low-grade gliomas represent a heterogeneous group of tumors. The goals of treatment include prolonged survival and reduced morbidity. Treatment strategies vary depending upon tumor histology, anatomic location, age, and the general medical condition of the patient. Safe surgical resection remains the first choice for the treatment of resectable tumors. In cases of unresectable lesions, adjuvant radiotherapy and chemotherapy are considered. Several reports in recent years have documented the safety and effectiveness of stereotactic radiosurgery (SRS) in controlling tumor growth and improving patients' survival for patients with low-grade gliomas. Patients with progressive, pilocytic, or grade 2 fibrillary astrocytomas, located in critical or deep areas of the brain, are ideal candidates for radiosurgery. The use of SRS as part of multimodal therapy for progressive, recurrent, or unresectable pilocytic or WHO grade 2 fibrillary astrocytomas is a safe and promising therapeutic modality. Gamma Knife radiosurgery has progressively gained more relevance in the management of low-grade gliomas.

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This article was published in the following journal.

Name: Progress in neurological surgery
ISSN: 1662-3924
Pages: 184-190

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Medical and Biotech [MESH] Definitions

A radiological stereotactic technique developed for cutting or destroying tissue by high doses of radiation in place of surgical incisions. It was originally developed for neurosurgery on structures in the brain and its use gradually spread to radiation surgery on extracranial structures as well. The usual rigid needles or probes of stereotactic surgery are replaced with beams of ionizing radiation directed toward a target so as to achieve local tissue destruction.

A tumor of both low- and high-grade malignancy. The low-grade grow slowly, appear in any age group, and are readily cured by excision. The high-grade behave aggressively, widely infiltrate the salivary gland and produce lymph node and distant metastases. Mucoepidermoid carcinomas account for about 21% of the malignant tumors of the parotid gland and 10% of the sublingual gland. They are the most common malignant tumor of the parotid. (From DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p575; Holland et al., Cancer Medicine, 3d ed, p1240)

A technique for the treatment of neoplasms, especially gliomas and melanomas in which boron-10, an isotope, is introduced into the target cells followed by irradiation with thermal neutrons.

A malignant epithelial tumor of glandular tissue, especially the salivary glands, characterized by acini with mucus-producing cells and by the presence of malignant squamous elements. Most mucoepidermoid tumors are low-grade lesions readily cured by adequate excision. They may appear in any age group. They grow slowly. If high-grade, they behave aggressively, widely infiltrating the salivary gland and producing lymph node and distant metastases. (Dorland, 27th ed; from DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p575)

Producing a lesion in the posteroventral portion of the medial GLOBUS PALLIDUS to treat PARKINSON DISEASE and other extrapyramidal disorders. The placement of the lesion is aided by STEREOTACTIC TECHNIQUES and imaging procedures.

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