FIG 2. Patient 3: 62-year-old woman with TIAs.

A, Angiogram shows 80% stenosis of the right ICA.

B, Findings on T2-weighted MR image are normal.

C, Corresponding MTT map shows high signal intensity in the right MCA distribution. The extent of high signal is less than that in patient 2 (fig 1C).

D, Corresponding CBV map shows symmetry in signal intensity.