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. 2018 Oct 17;2018(11):omy090. doi: 10.1093/omcr/omy090

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© The Author(s) 2018. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 1: — (a) Enhanced T1WI before SRS revealing a tumor in the left parietal lobe. (b) T2WI (12 months after SRS) without evidence of recurrence or complications. (c) T2WI (35 months after SRS) without evidence of recurrence or complications. (d) T2WI (92 months after SRS) showing a high-intensity area suspected of being a change secondary to irradiation, and no evidence of tumor recurrence. (e) T1WI (118 months after SRS) showing an enhanced lesion with perifocal edema. (f) T2WI (123 months after SRS) showing cyst with an edematous-appearing area. (g) Preoperative T2WI (150 months after SRS) showing expansion of the cyst despite conservative therapy. (h) Postoperative T2WI (151 months after SRS, 1 week after resection) showing cyst shrinkage. (i) Postoperative T2WI (193 months after SRS, 43 months after resection) showing only the removal cavity. T1WI, T1-weighted imaging; SRS, stereotactic radiosurgery; T2WI, T2-weighted imaging.