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Imaging Techniques 

Imaging Techniques
Imaging Techniques

Daniel C. O’Brien

, Junjuian Huang

, and Scott A. Resnick

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date: 21 September 2020

Minimally invasive interventional radiographic procedures rely on many of the same imaging techniques as are used in diagnostic studies. This chapter describes the imaging modalities most commonly utilized by the interventional radiologist intraprocedurally. These include fluoroscopy, digital subtraction angiography (DSA), sonographic techniques for percutaneous interventions and intravascular ultrasound, and computed tomography (CT) and cone beam CT (CBCT). Imaging techniques used adjunctively in the procedure planning and follow-up phases are also briefly reviewed, including multidetector CT angiography, magnetic resonance angiography (MRA), and sonographic vascular evaluation. Specific interventions are mentioned throughout as a means of illustrating the clinical utilities of these imaging techniques, although specific procedural considerations are discussed more thoroughly elsewhere.

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