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TABLE 1: Patient profiles, examinations, and diagnoses
Patient No./Age (y)/Sex Delay between Pre- and Post-Acetazolamide ¹²⁸I-IMP SPECT (d)^* Diagnosis^†
1/68/M 7 Right ICA severe stenosis at MRA and DSA
2/63/M 3 Right ICA severe stenosis (90%) and left ICA stenosis (40%) at MRA and DSA
3/48/M 4 Right MCA (M1) occulusion with collateral circulation at DSA
4/51M 3 TIA, normal findings at MR imaging and SPECT
5/53/F 8 Right ICA occulsion, left ICA stenosis, left ACA occulsion at DSA
6/69/F 7 Bilateral mild ICA stenosis with lacunar infarctions at MRA and MR imaging
7/57/F 7 Dizziness, normal flow and perfusion at MRA and SPECT
8/55/M 4 Right ICA, MCA, and ACA stenosis at MRA; decreased perfusion at SPECT
9/69/M 4 Right ICA stenosis at MRA, mildly decreased perfusion at SPECT
* Both pre- and post-acetazolamide FAIR studies were performed on the day of post-acetazolamide ¹²³I-IMP SPECT.
† ACA indicates anterior cerebral artery; DSA, digital subtraction angiography; ICA, internal carotid artery; MCA, middle cerebral artery; MRA, magnetic resonance angiography; and TIA, transient ischemic attack.