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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Neuroimaging Clin N Am. 2016 Sep 2;26(4):601–620. doi: 10.1016/j.nic.2016.06.008

Figure 13.

Figure 13

Nodular and sheet leptomeningeal metastatic disease enhancing patterns. Preoperative MR imaging in a 56-year old woman with history of metastatic breast cancer demonstrates mixed solid and cystic left subinsular mass with local sheet like extension of leptomeningeal disease involving the adjacent sylvian fissure (arrow). Multifocal nodular leptomeningeal disease was also observed within the adjacent brain sulci and distantly in the cerebellar follia (arrow heads) suggesting diffuse CSF seeding with metastatic cells.