✦ LIBER ✦

Analysis of hybrid imaging techniques

✍ Scribed by Douglas A. Ortendahl; Leon Kaufman; David M. Kramer

Book ID: 102953575
Publisher: John Wiley and Sons
Year: 1992
Tongue: English
Weight: 1003 KB
Volume: 26
Category: Article
ISSN: 0740-3194
DOI: 10.1002/mrm.1910260116

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Hybrid imaging techniques have been proposed as a means of decreasing imaging time without the cost and technical constraints of echo planar imaging. With this technique phase encoding measurements acquired at different echo times in more than one multiecho experiment are used to form a single image. This study analyzes the trade‐offs which occur in the selection of this technique over more conventional imaging in terms of signal/noise, contrast, resolution, imaging time, and efficiency. Hybrid imaging is shown to be advantageous when raw speed is essential such as in abdominal or pediatric imaging. When coverage rather than time becomes the important factor, hybrid imaging does not offer a significant advantage over conventional methods. T2 decay will also serve as a roll‐off filter which will reduce the spatial resolution, but not the noise, for short TE hybrid imaging.

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