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Magnetic resonance imaging findings, April 2002. A) Axial T1-weighted image (TR/TE: 500/8.6) showing an increasing size and the same pattern as one year previously. B) Axial T2-weighted image (TR/TE: 4000/104) showing the same ratio of high signal intensity (SI) area as in previous images. C) Axial postcontrast T1-weighted image (TR/TE: 500/8.6) showing nonenhanced areas that correspond to those showing low SI in precontrast T1-weighted images.
