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. 2025 Sep 25;16:1628717. doi: 10.3389/fneur.2025.1628717

Figure 2.

CT and MRI images of a brain captured in various forms. Image (a) shows a typical grayscale brain CT scan. Images (b) through (f) display brain perfusion maps with different colors denoting blood flow levels. Images (g) and (h) are grayscale X-ray images of the head, highlighting cranial blood vessels. Image (i) is another grayscale brain CT scan, showing details of brain structure. Each image utilizes different imaging techniques to assess brain function and structure, focusing on variations in blood flow and anatomical details.

Typical case images; (a) Low-density infarct in the left frontal, temporal, and parietal lobes, as well as the left basal ganglia and centrum semiovale; (b) Reduced cerebral blood flow (CBF) in the distribution of the left middle cerebral artery; (c) Reduced cerebral blood volume (CBV) in the distribution of the left middle cerebral artery; (d) Prolonged mean transit time (MTT) in the distribution of the left middle cerebral artery; (e) Prolonged time to peak (TTP) in the distribution of the left middle cerebral artery; (f) Prolonged delay in the distribution of the left middle cerebral artery, indicating perfusion deficits; (g) Pre-thrombectomy DSA confirming occlusion in the M1 segment of the left middle cerebral artery; (h) Post-thrombectomy DSA showing mTICI level 3 reperfusion, indicating successful restoration of blood flow in the left middle cerebral artery; (i) Post-surgery non-contrast CT showing a decrease in infarct density with more distinct margins, indicating improvement in tissue perfusion and reduction in ischemic damage.