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Figure 5: A 67-year-old male with left middle cerebral artery and middle cerebral artery-anterior cerebral artery watershed territory stroke. On computed tomography angiography (a), left internal carotid artery 80% stenosis. Plaque has attenuation of 37.6 HU. A Type 3 ulceration is present (dotted white arrows). On contrast-enhanced ultrasound, plaque neovascularization is seen with surface irregularity. On magnetic resonance imaging plaque imaging (b), plaque appears isointense on proton density and hypointense to isointense on T2-weighted. It is mildly hyperintense on T1-weighted and isointense on time-of-flight images s/o fibrofatty plaque. Surface ulceration is present

Figure 5: A 67-year-old male with left middle cerebral artery and middle cerebral artery-anterior cerebral artery watershed territory stroke. On computed tomography angiography (a), left internal carotid artery 80% stenosis. Plaque has attenuation of 37.6 HU. A Type 3 ulceration is present (dotted white arrows). On contrast-enhanced ultrasound, plaque neovascularization is seen with surface irregularity. On magnetic resonance imaging plaque imaging (b), plaque appears isointense on proton density and hypointense to isointense on T2-weighted. It is mildly hyperintense on T1-weighted and isointense on time-of-flight images s/o fibrofatty plaque. Surface ulceration is present