Primary CNS Lymphoma Arising from the 4^th Ventricle: A Case Report and Review of the Literature

Figure 1

(a) Coronal T1 flair, postcontrast imaging 2 months prior to admission. No enhancing lesion seen. (b) Sagittal T1 flair, postcontrast imaging 2 months prior to admission. No enhancing lesion seen. (c) Coronal T1 flair, postcontrast imaging. There is a cm homogenously enhancing mass with mild perilesional edema. (d) Sagittal T1 flair, postcontrast imaging. There is a cm homogenously enhancing mass arising from the roof of the 4^th ventricle invading into the cerebellar vermis.

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