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FIG 2. Case 2: 35-year-old woman who had imaging 72 hours after the onset of symptoms.
A, T2-weighted MR image shows bilateral posterior watershed lesions (arrows).
B, The ADC map also shows bilateral posterior watershed lesions (arrowheads), but both lesions are larger than those seen on T2-weighted images.
C, The rMTT map shows mild hypoperfusion extensively at the territories of both posterior cerebral arteries (arrowheads).
D, The rCBV map shows only a left-sided lesion (arrow), including posterior watershed and part of the posterior cerebral artery territory.
E, The 16-month follow-up T2-weighted image confirmed small left posterior watershed infarction (arrow) and another infarction at the territory of the left posterior cerebral artery (arrowhead), which was not apparent on initial T2-weighted image or ADC map but was visible on rCBV map.
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