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FIG 6. MR imaging changes after embolization.
A, Before embolization, T1-weighted axial image of the brain with gadolinium reveals a large left parietal extraaxial homogenously enhancing tumor, consistent with meningioma.
B, T2-weighted axial image demonstrating significant mass effect and parenchymal edema.
C, After embolization, only the periphery of the tumor shows enhancement on this postcontrast T1 axial image. The center of the tumor becomes necrotic.
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