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FIG 2. Mass effect and arterial displacement from intracerebral hemorrhage.
A, Brain CT scan in a 50-year-old man shows an intraparenchymal hematoma with a relatively limited mass effect on the basal cerebral cisterns.
B, A 3D CT reconstruction illustrates the relationships between the MCA, the temporal sonographic window (W) and direction of the ultrasound beam direction (arrow), and the lesser sphenoid wing (arrowheads). When compared with the contralateral MCA, the hematoma has displaced the ipsilateral MCA toward the skull base.
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