Dissection of internal carotid artery: Diagnosis with color doppler sonography and MR angiography correlation

Shy Chyi Chin, Cheng Yu Chen, Ching Jiunn Wu, Hsian He Hsu, Chun Jung Juan, Chun Jen Hsueh, Hai Sung Hsiao

Research output: Contribution to journalArticle

Abstract

We present findings of extracranial color Doppler sonography in patients with internal carotid artery dissection consistent with those of magnetic resonance (MR) angiography. In color Doppler sonography, the direct diagnostic signs likely to be present are linear hyperechoic intimal flap crossing the vessel lumen, eccentric hypoechoic thrombus formation, bi- directional flow in the true and false lumen, respectively and damped systolic spectral waveform with reverse diastolic flow. Indirect signs indicating internal carotid artery dissection are biphasic Doppler waveform and regional turbulent flow. In addition, the absence of atherosclerotic wall change is an important finding suggestive of nonatherosclerotic stenosis or occlusion. These findings indicate that color Doppler sonography combined with MR angiography may be an alternative diagnostic tool to the conventional angiography in the confirmation diagnosis of the dissection of internal carotid artery. Color Doppler sonography still can not entirely replace the angiographic study; Color Doppler sonography helps to indicate angiography and serves as an alternative during follow-up studies. Sequent examinations prove helpful in determining the duration of anticoagulant treatment.

Original languageEnglish
Pages (from-to)9-14
Number of pages6
JournalChinese Journal of Radiology
Volume24
Issue number1
Publication statusPublished - Feb 1999
Externally publishedYes

Fingerprint

Internal Carotid Artery Dissection
Doppler Color Ultrasonography
Magnetic Resonance Angiography
Angiography
Tunica Intima
Anticoagulants
Pathologic Constriction
Thrombosis

Keywords

  • Color Doppler sonography
  • Dissection, internal carotid artery
  • Magnetic resonance (MR), magnetic resonance angiography (MRA)
  • Sonography

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Chin, S. C., Chen, C. Y., Wu, C. J., Hsu, H. H., Juan, C. J., Hsueh, C. J., & Hsiao, H. S. (1999). Dissection of internal carotid artery: Diagnosis with color doppler sonography and MR angiography correlation. Chinese Journal of Radiology, 24(1), 9-14.

Dissection of internal carotid artery : Diagnosis with color doppler sonography and MR angiography correlation. / Chin, Shy Chyi; Chen, Cheng Yu; Wu, Ching Jiunn; Hsu, Hsian He; Juan, Chun Jung; Hsueh, Chun Jen; Hsiao, Hai Sung.

In: Chinese Journal of Radiology, Vol. 24, No. 1, 02.1999, p. 9-14.

Research output: Contribution to journalArticle

Chin, Shy Chyi ; Chen, Cheng Yu ; Wu, Ching Jiunn ; Hsu, Hsian He ; Juan, Chun Jung ; Hsueh, Chun Jen ; Hsiao, Hai Sung. / Dissection of internal carotid artery : Diagnosis with color doppler sonography and MR angiography correlation. In: Chinese Journal of Radiology. 1999 ; Vol. 24, No. 1. pp. 9-14.
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