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The results of different imaging during the first hospitalization. (A) First CDFI showed the right ICA was normal. (B) CTA showed the right ICA occluded. (C) Second CDFI showed a hypoechoic mass was attached to the anterior wall of initial segment of the right ICA (arrow); (D) MRI T1-weighted imageing showed no signal in the intracranial segment of the right ICA (arrow); (E) DSA showed right ICA was normal.
