Stenosis

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List of terms related to Stenosis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

A stenosis is an abnormal narrowing in a blood vessel or other tubular organ or structure. It is also sometimes called a "stricture" (as in urethral stricture).

Stenoses of the vascular type are often associated with a noise (bruit) resulting from turbulent flow over the narrowed blood vessel. This bruit can be made audible by a stethoscope. Other, more reliable methods of diagnosing a stenosis are imaging methods including ultrasound, Magnetic Resonance Imaging/Magnetic Resonance Angiography, Computed Tomography/CT-Angiography which display anatomic imaging (i.e. the visible narrowing of a vessel) and/or flow phenomena (signs of the movement of the bodily fluid through the bodily structure).