Figure 1From: Intravascular CNS lymphoma: Successful therapy using high-dose methotrexate-based polychemotherapy MR imaging prior to and after HD-MTX-based chemotherapy (left column FLAIR, right column: contrast enhanced T1-weighted imaging)MR imaging prior to therapy (A) and at follow-up imaging at the end of 6 courses of chemotherapy with a strong reduction of contrast-enhancing lesions (B). Nineteen months after initiation of treatment MR imaging showed complete regression of marked FLAIR hyperintensities and contrast enhancement in the brain stem (C). Back to article page