Digital subtraction angiography (DSA) is a fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense soft tissue environment. Images are produced using contrast medium by subtracting a "pre-contrast image" or mask from subsequent images, once the contrast medium has been introduced into a ...

2025年1月21日 · Digital subtraction angiography (DSA) is a fluoroscopic technique used extensively in interventional radiology for visualization of blood vessels. Radiopaque structures such as bones are digitally eliminated ("subtracted") from the image, thus allowing for an accurate depiction of the blood vessels.

Abstract: Digital subtraction angiography (DSA) is an essential diagnostic tool for analyzing and diagnosing cardiovascular diseases. However, patient movement during image acquisition can introduce motion artifacts in DSA images, and this degradation in image quality always hinders accurate vessel identification and surgical treatment.

Digital Subtraction Angiography (DSA) is the gold-standard imaging modality in acute cerebrovascular diagnosis. The role of DSA has become increasingly prominent since the incorporation of endovascular therapy in standards of care for acute ischemic stroke. It is used in the assessment of cerebral v …

1985年6月1日 · Thus, at present, we have at our disposal three modalities for head and neck angiography: IV-DSA, IA-DSA, and conventional angiography. Intravenous studies can be performed with either peripheral or central injections of contrast medium, and IA-DSA can be done either with simple arch injections or with more selective catheterization.

Digital subtraction angiography (DSA) has historically been the gold standard for detecting vascular head and neck trauma, given its high sensitivity, cost-effectiveness, and ability to perform a vascular therapeutic intervention in a selected group of patients. 7, 10, 15 However, its invasiveness carries a higher rate of complications ...

旋转DSA能够显示头颈部大多数病变血管的供血动脉和分支结构，是对常规DSA的重要补充，对头颈部血管病变的诊断和治疗有很大价值。 引用本文: 赵军, 杨进全, 吴宁, 等. 旋转DSA应用于头颈部的技术探讨 [J] . 中华放射学杂志, 2000, 34 (1) : 29-30. DOI: 10.3760/cma.j.issn.1005-1201.2000.01.113.

2012年3月6日 · Facial artery pulsation is most palpable where the artery crosses the mandibular base, and again near the corner of the mouth. Its branches in the neck are the ascending palatine, tonsillar, submental and glandular arteries.

2015年1月1日 · Currently, digital subtraction cervico-cerebral angiography (DSA) is seldom the first-line study to evaluate the vasculature of the neck or of the head and is usually performed after duplex ultrasound, CT angiography, or MR angiography, in cases where additional...

This case report illustrates the value of intravenous digital subtraction angiography (DSA) in cases of penetrating neck injury. The debate continues between a policy of mandatory exploration of all penetrating neck wounds versus one of selective exploration with observation of the remainder.