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[First experience with a Gamma-knife unit used for radiosurgical treatment for intracranial space-occupying lesions].

A Gamma-Knife unit that is currently the gold standard in radiosurgery was first used in clinical practice in 1968. The essence of the radiosurgical treatment is to apply the stereotactic technique to high-precision irradiation of small intracranial targets by narrow beams of ionizing radiation from external sources. Three hundred and six patients with various intracranial diseases (137 with malignant tumors, 136 with benign tumors, and 33 patients with vascular diseases) underwent radiosurgery on a Gamma-Knife unit for over 1.5 years, from May 2005 to October 2006. A total of 329 irradiation sessions were performed. By summing up the first results, it can be noted that stereotactic radiosurgery using a Gamma-Knife unit is an effective and rather safe technique in the treatment of patients with various types of intracranial pathology, which maintains the high quality of life, reduces the likelihood of development of different neurological disorders after treatment and avoids the risk of operative complications. The possibility of performing outpatient treatment for a diversity of diseases without mandatory anesthesiological, ICU, and rehabilitative maintenance, determines the potential economic efficiency of this treatment.