Cytotoxic lesions of the corpus callosum (CLOCCs)

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Mental confusion.

Patient Data

Age: 30 years
Gender: Female

There is a small well-circumscribed, oval lesion (12 x 8 x 6 mm) in the midline within the substance of the splenium of the corpus callosum. It elicits a low signal on T1, high signal on T2/FLAIR with restricted diffusion on DWI/ADC. No enhancement is seen on postcontrast sequences.

Case Discussion

MRI feature of a cytotoxic lesion of the corpus callosum (CLOCCs)

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