Non-contrast magnetic resonance angiography/venography techniques: what are my options?

Abstract

Non-contrast magnetic resonance (MR) angiography and MR venography techniques are gaining popularity for vascular imaging because they are faster, more forgiving and less costly compared with contrast-enhanced MR angiography. Non-contrast MR angiography also avoids gadolinium deposition, which is especially important in imaging children. Non-contrast MR angiography has an array of specific applications for numerous clinical indications. This review summarizes the non-contrast MR angiography methods and their relative advantages and disadvantages. The paper also guides the reader on which technique to consider when determining the optimal imaging modality for each individual patient.

Keywords: Children; Magnetic resonance angiography; Magnetic resonance imaging; Magnetic resonance venography; Non-contrast; Signal-to-noise ratio; Technique; Vasculature.