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  Indian J Med Microbiol
 

Figure 4: A 61-year-old female patient who presented with altered mental status; the corpus callosum can be seen. (a, b): Axial fluid attenuation inversion recovery (FLAIR) and T1 GAD images: the lesion showed hyperintensity of posterior corpus callosum and splenium with avid enhancement after contrast administration. (c, d) Axial diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) images showing hyperintensity on DWI, with corresponding hypointensity on ADC images (ADC value measured 0.5 × 10-3 mm2/s) denoting restricted pattern of diffusion. Collectively the imaging findings are suggestive of central nervous system (CNS) lymphoma; histopathological examination confirmed the diagnosis.

Figure 4: A 61-year-old female patient who presented with altered mental status; the corpus callosum can be seen. (a, b): Axial fluid attenuation inversion recovery (FLAIR) and T1 GAD images: the lesion showed hyperintensity of posterior corpus callosum and splenium with avid enhancement after contrast administration. (c, d) Axial diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) images showing hyperintensity on DWI, with corresponding hypointensity on ADC images (ADC value measured 0.5 × 10-3 mm2/s) denoting restricted pattern of diffusion. Collectively the imaging findings are suggestive of central nervous system (CNS) lymphoma; histopathological examination confirmed the diagnosis.