Type of Surgery
Radiosurgery, also known as stereotactic radiotherapy, is a medical procedure which allows non-invasive treatment of benign and malignant conditions, arteriovenous malformations (AVM's), and some functional disorders by means of directed beams of ionizing radiation. It is a relatively recent technique (1951), which is used to ablate, by means of a precise dosage of radiation, intracranial and extracranial tumors and other lesions that could be otherwise inaccessible or inadequate for open surgery. There are many nervous diseases for which conventional surgical treatment is difficult or has many deleterious consequences for the patient, due to arteries, nerves, and other vital structures being damaged.
Even patients who had a single metastasis surgically removed should have radiation therapy as there are always individual tumor cells remaining.
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