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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: J Neurosurg. 2017 Feb 24;128(1):215–221. doi: 10.3171/2016.10.JNS161603

FIG. 3.

FIG. 3

Radiographic evolution of the radiosurgical lesion. The patient was monitored radiographically, with MR images obtained preoperatively and at 3, 7, and 12 months postoperatively. T1-weighted with contrast and T2-weighted sequences were obtained at all time points except at 1 year postoperatively, when contrast scans were not obtained. At as early as 3 months, there is subtle contrast enhancement and T2 hyperintensity within the area of our intended target. These signal characteristics continue to solidify through 7 months following SRS. Twelve months postoperatively, there is T2 hypointensity within the radiosurgical target.