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- W2354005222 abstract "s: Objective To evaluate the effects of Gamma knife radiosurgery for brain arteriovenous malformations (AVM). Methods 216 patients with brain AVM treated by Leksell Gamma knife were followed up for 17 to 31 months. AVMs volume ranged from 0.3 to 43. 9 cm3,median 7.1 cm3. Peripheral doses of radiation ranged from 12 to 30 Gy, mean (21.2±6.4) Gy. Results The rates of obliteration and the complications after Gamma knife surgery were significantly related to the target volume, the grading of the lesions, the method of localization, the peripheral dosage and the quality control. The two year complete obliteration rate was more than 78.5% in the patients with AVM volume ≤5 cm3 or Grade Ⅲ of Spetzler-Martin grading system and the peripheral dosage ≥20Gy . 4 cases had recurrent hemorrhage after Gamma knife radiosurgery and 9 cases complicated apparent irradiated brain edema. Conclusion The Gamma knife is an effective and safe method for the treatment of AVM. There is a higher obliteration rate for AVM of grade Ⅰ-Ⅱ or the volume ≤5.0 cm3 and the peripheral dosage ≥ 20 Gy. Accurate localization of the lesions by MRA combined with DSA contributed to improved obliteration rate and decreased complication occurrence following Gamma knife radiosurgery of AVMs." @default.
- W2354005222 created "2016-06-24" @default.
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- W2354005222 date "2004-01-01" @default.
- W2354005222 modified "2023-09-26" @default.
- W2354005222 title "Gamma knife radiosurgery for brain arteriovenous malformations: 216 cases report" @default.
- W2354005222 hasPublicationYear "2004" @default.
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