Absence of enhancement in a lesion does not preclude primary central nervous system T-cell lymphoma: A case report

Figure 2 Magnetic resonance imaging scan five days after high-dose steroid therapy is initiated. A: T2 weighted image; B: T2 fluid attenuated inversion recovery image; C: T1 weighted image, D: Post-contrast T1 weighted image; E: Post-contrast T1 weighted black blood image; F: B1000 diffusion weighted image; G: Apparent diffusion coefficient map showing minimal change of previously noted T2 hyperintense lesions.