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High-grade tumor: injected dose, 0.3 mmol/kg.
A, Contrast-enhanced T1-weighted image (530/20/1) shows a large enhancing lesion in a 60-year-old woman. Mass effect and poorly defined margins are also present.
B, rCBV map shows increased values in almost the entire tumor, except for a necrotic region (arrow) in this WHO grade VI glioma.
