case_images: PMC10338861_01
case_images: MR angiography shows multiple levels of abnormal progressive vessel luminal stenoses involving bilateral ICA supraclinoid segments, bilateral ACA A1 segments, and bilateral MCA M1 segments, which implied Moyamoya disease.
case_images: fneur-14-1170837-g0001.jpg
case_images: PMC10338861_01_fneur-14-1170837-g0001.jpg
case_images: F1
case_images: The MRI showed multiple levels of abnormal progressive luminal vessel stenosis involving bilateral ICA supraclinoid segments, bilateral ACA A1 segments, and bilateral MCA M1 segments (Figure 1).
case_images: Tc-99m ECD brain SPECT scan shows mild to moderate hypoperfusion in bilateral frontal and left temporal regions.
case_images: fneur-14-1170837-g0002.jpg
case_images: PMC10338861_01_fneur-14-1170837-g0002.jpg
case_images: F2
case_images: Tc-99m ECD brain perfusion SPECT was also carried out to evaluate cerebral circulation, which showed mild to moderate hypoperfusion in bilateral frontal and left temporal regions (Figure 2).