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FIG 2. A 52-year-old woman (patient 2) with several previous episodes of visual disturbance.
A and B, Visual field examination (A) and T2-weighted image [4500/120 (TR/TE)] (B) are normal.
C, MR angiogram [30/6.4/25° (TR/TE/flip angle)] shows poor blood flow (arrowheads) in the right posterior cerebral artery.
D, fMR [90/56/40° (TR/TE/flip angle)] shows decreased activity in the right visual cortex.
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