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High-grade tumor: injected dose, 0.2 mmol/kg.
A, Contrast-enhanced T1-weighted image (530/20/1) in a 50-year-old man examined 4 month after initial surgery for a WHO grade VI glioma suggests recurrent tumor (arrow).
B, rCBV map shows elevated values of the tumor in a small rim (arrow), indicative of only a small portion of active tumor with high rCBV.
