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Table 2 Summary of SRS treatment data, PTV=planning target volume, Dose = single treatment dose in Gy prescribed to the isodose line covering 80 – 90% of the PTV, B=conformal non-coplanar static beams, CTC=Common Terminology Criteria for Adverse Events, version 3.0

From: Magnetic resonance spectroscopic study of radiogenic changes after radiosurgery of cerebral arteriovenous malformations with implications for the differential diagnosis of radionecrosis

No Nidus=PTV (ccm) Dose (Gy) Technique Nidus occlusion Radionecrosis Adverse events (CTC grade)
1 2.75 20 9 B + + transient Broca aphasia 1°
2 6.89 20 9 B + - none
3 6.41 20 9 B + - none