Tuberculous meningitis with cytotoxic lesion of the corpus callosum (CLOCCs)
Headaches, low-grade fever, and visual hallucinations.
Age: 30 years
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The MRI sequences demonstrate:
- a small well-defined ovoid lesion in the midline within the splenium of the corpus callosum, of intermediate signal on T1, high signal on T2, and FLAIR with no enhancement and restricted diffusion on DWI/ADC in keeping with a cytotoxic lesion.
- prominent leptomeningeal enhancement well-visualized on postcontrast T1WI and T2 FLAIR fat saturation sequences.