PMC10019966_01
Axial T1 (longitudinal relaxation time) magnetic resonance imaging of the brain with contrast in (a) January 2008, (b) April 2010, and (c) January 2020, showing progression of multiple heterogeneously enhancing dural base and leptomeningeal lesions.
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PMC10019966_01_CRINM2023-2140740.001.jpg
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October 2019 at an outside hospital (Figure 1). Of note, outside October 2019 imaging also showed an interval increase in leptomeningeal nodular enhancement compared to prior imaging in 2017.