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American Journal of Roentgenology, Vol 171, 211-215, Copyright © 1998 by American Roentgen Ray Society

ARTICLES

T2-weighted MR imaging of the uterus: comparison of optimized fast spin- echo and HASTE sequences with conventional fast spin-echo sequences

S Gryspeerdt, L Van Hoe, H Bosmans, AL Baert, I Vergote and G Marchal
Service of Radiology, University Hospitals Gasthuisberg, Leuven, Belgium.

OBJECTIVE: Our objective was to compare the value of a half-Fourier acquisition single-shot turbo spin-echo (HASTE) sequence with optimized fast spin-echo and conventional fast spin-echo techniques in evaluation of the uterus. SUBJECTS AND METHODS: Optimized fast spin-echo imaging was compared with fast spin-echo and HASTE imaging, for both image quality and ability to assess the zonal anatomy of the uterus, in 40 volunteers. In optimized fast spin-echo imaging, the imaging time was reduced using partial-Fourier reconstruction, reducing the echo spacing, and increasing the echo train length. RESULTS: HASTE imaging offered the least motion artifact of all techniques. On optimized fast spin-echo imaging, motion artifacts were moderate to severe in 10% of patients. On fast spin-echo imaging, motion artifacts were moderate to severe in 40% of patients. Optimized fast spin-echo imaging was superior to the other two techniques in terms of anatomic sharpness and overall image quality. CONCLUSION: Although HASTE imaging offers the unique feature of providing images free of motion artifacts, optimized fast spin-echo imaging appears to be the preferred technique for T2- weighted imaging of the uterus.
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