PMC5753889_01
PMC5753889_02
Non-contrast head CT, axial plane, 5 mm thickness, showing hyperdense MCA "dot" sign in the right Sylvian fissure (arrow).
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PMC5753889_02_10.1177_2050313X17748864-fig1.jpg
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On further inspection, an MCA "dot" sign was seen (Figures 1 and 2).
Non-contrast head CT, axial plane, 0.67 mm thickness, showing hyperdense MCA "dot" sign in the right Sylvian fissure.
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PMC5753889_02_10.1177_2050313X17748864-fig2.jpg
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On further inspection, an MCA "dot" sign was seen (Figures 1 and 2).
Non-contrast head CT, sagittal plane, 0.67 mm thickness, showing a hyperdense MCA (sagittal string sign) in the right Sylvian fissure (arrow).
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PMC5753889_02_10.1177_2050313X17748864-fig3.jpg
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CT demonstrated a hyperdense sagittal string-like appearance of the MCA along the Sylvian fissure (Figure 3). CT angiography of the head confirmed the distal M2 occlusion.