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MRI of a patient with a recurrent left temporal glioblastoma. Contrast-enhanced MRI prior to therapy with bevacizumab and irinotecan (A) and 6 months later (B). Fluid-attenuated inversion recovery (FLAIR) prior to therapy with bevacizumab and irinotecan (C) and 6 months later (D). Note the remarkable decrease in contrast enhancement and reduction in FLAIR hyperintensity with decreased mass effect on the lateral ventricle.
