Demographics:
67 years old, Male
Indication:
New onset vertigo, nausea
Findings
- Thick diffuse restricted diffusion along the margins of the ventricular system with corresponding linear and nodular enhancement
- Enhancement also extends along the hypothalamus and pituitary stalk
- Subependymal T2/FLAIR signal hyperintensity also involving the inferior aspects of the lentiform nuclei, the hypothalamus, and the optic tracts
- Mild prominence of the ventricular system, possibly representing communicating hydrocephalus
Annotated Images & Illustrations
Diffuse rim of restricted diffusion around the ventricles (red arrows), which is a typical appearance for secondary CNS lymphoma.
Diagnosis
Secondary CNS lymphoma
Differential Diagnosis
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