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FIG 2. 61-year-old man with grade II astrocytoma.
A and B, Axial T2-weighted (A) and contrast-enhanced T1-weighted (B) images demonstrate a mass (arrow) in the left medial temporal lobe that is hyperintense on the T2-weighted image and hypointense, nonenhancing on the T1-weighted image.
C, Correlative rCBV map shows diminished blood volume relative to both gray and white matter in this biopsy-proved low-grade astrocytoma.
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