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. 2019 Aug 16;98(33):e16766. doi: 10.1097/MD.0000000000016766

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Copyright © 2019 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0

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Representative MR images showing tumor necrosis, rim enhancement, peri-tumoral edema, and hemorrhage. A 66-year-old female NSCLC patient with left parietal metastasis. Axial nonenhanced T2-weighted MR images (A) shows central necrosis (asterisk) and peri-tumoral vasogenic edema (arrow). Axial (B) and sagittal (C) contrast-enhanced T1-weighted MR image shows central necrosis (asterisk) and rim enhancement (arrowhead). Axial susceptibility weighted image (D) shows hypointensities within the tumor (hollow arrow), suggesting hemorrhage.