FIG 1. Images obtained on admission in case 1.

A, DW image reveals slightly high signal intensity in the cortex of the left parietal lobe.

B, The rMTT map of PW image shows delay of 15–25% in the territory of the left MCA (ROI 2 and 4).

C, The rCBV map of PW image shows slight decrease of 2–12% in the territory of the left MCA (ROI 2 and 4).

D, The rCBF map of PW image reveals reduction of 11–23% in the territory of the left MCA (ROI 2 and 4).

E, MR angiogram shows poor visualization of the left ICA.