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A 61-year-old woman with pseudodissection of the proximal right CCA. A and B, Axial source (A) and coronal reformatted MIP image from CTA (B) shows a trilaminar appearance of the proximal right CCA (arrow), disconcerting for dissection. C, Axial T1-weighted image using a fat saturation technique through the cervical carotid artery (arrow), obtained immediately after the CT study, shows no evidence of dissection. The finding on CTA is considered to represent pulsation artifacts.
