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- W2062689075 abstract "Objective: The aim of this study was to evaluate sonographic appearance of vascular neck tumours and features useful in their differential diagnosis. Methods: Analysis of ultrasound examination of 28 patients with a vascular neck mass was performed. The morphology of the tumour, its vascular component, relation to carotid arteries, and flow pattern in carotid arteries and tumour vessels were assessed. All lesions were verified surgically or angiographically. Results: Sixteen patients had carotid body tumours (CBT), 3 patients venous haemangioma, and 5 patients neurogenic tumours. In 4 patients, sonography diagnosed posttraumatic carotid artery pseudoaneurysm. CBT were solid tumours located in carotid bifurcation, with multiple vessels demonstrating low-resistant, arterial blood flow. In 12 patients (75%), comparative duplex Doppler examination of external carotid arteries showed low-resistance blood flow on the side of CBT (mean value of Vmax, 1.5 m/s; RI, 0.6; PI, 0.8) in contrast to the opposite side (mean value of Vmax, 1.0 m/s; RI, 0.8; PI, 1.75). Neurogenic tumours were deep, solid, homogenous, well-demarcated masses with marked vascularity. Carotid artery pseudoaneurysms presented as hypoechoic lesions with turbulent, multidirectional flow. Haemangiomas were hypervascular, superficial, poorly demarcated lesions presenting venous flow pattern. Conclusions: Doppler ultrasound is useful in differentiating posttraumatic pseudoaneurysm from vascular neck tumour. Neck tumours present certain characteristic sonographic features. Typical location, contribution of vascular component, and flow pattern in Doppler scanning allow initial differential diagnosis." @default.
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- W2062689075 date "2003-05-01" @default.
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- W2062689075 title "Sonographic evaluation of vascular lesions of the neck" @default.
- W2062689075 doi "https://doi.org/10.1016/s0301-5629(03)00799-3" @default.
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