Fig. 3From: Patterns of relapse in primary central nervous system lymphoma: inferences regarding the role of the neuro-vascular unit and monoclonal antibodies in treating occult CNS diseaseCase 3; Axial T1-weighted post contrast imaging at initial presentation (a, b), after completing therapy with HD-MTX (c) and relapse (d). Initial presentation shows a large enhancing lesion in the left frontal lobe (a) and normal cerebellum (b). Patient was in complete response after completing 1 year of HD-MTX treatment (c) with radiographic relapse in the right cerebellum, 6 years after the initial diagnosis (d)Back to article page