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01-11-2012 | Original article

MR imaging of meniscal tears: comparison of intermediate-weighted FRFSE imaging with intermediate-weighted FSE imaging

Authors: Osamu Tokuda, Yuko Harada, Takaaki Ueda, Etsushi Iida, Gen Shiraishi, Tetsuhisa Motomura, Kouji Fukuda, Naofumi Matsunaga

Published in: Japanese Journal of Radiology | Issue 9/2012

Abstract

Purpose

We compared intermediate-weighted fast spin-echo (IW-FSE) images with intermediate-weighted fast-recovery FSE (IW-FRFSE) images in the diagnosis of meniscal tears.

Materials and methods

First, 64 patients were recruited, and the arthroscopic findings (n = 40) and image analysis (n = 19) identified 59 torn menisci with 36 patients. Both the diagnostic performance and image quality in assessing meniscal tears was evaluated for IW-FSE and IW-FRFSE images using a four-point scale. Signal-to-noise ratio (SNR) calculation was performed for both sets of images.

Results

IW-FRFSE image specificity (100 %) for diagnosing the posterior horn of the medial meniscus (MM) tear with reader 1 was significantly higher than that of IW-FSE images (90 %). Mean ratings of the contrast between the lesion and normal signal intensity within the meniscus were significantly higher for the IW-FRFSE image ratings than the IW-FSE images in most meniscal tears. Mean SNRs were significantly higher for IW-FSE images than for IW-FRFSE images (P < 0.05).

Conclusions

IW-FRFSE imaging can be used as an alternative to the IW-FSE imaging to evaluate meniscal tears.

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Title: MR imaging of meniscal tears: comparison of intermediate-weighted FRFSE imaging with intermediate-weighted FSE imaging
Authors: Osamu Tokuda
Yuko Harada
Takaaki Ueda
Etsushi Iida
Gen Shiraishi
Tetsuhisa Motomura
Kouji Fukuda
Naofumi Matsunaga
Publication date: 01-11-2012
Publisher: Springer Japan
Published in: Japanese Journal of Radiology / Issue 9/2012
Print ISSN: 1867-1071
Electronic ISSN: 1867-108X
DOI: https://doi.org/10.1007/s11604-012-0108-1

At a glance: The STEP trials

Springer Medicine

MR imaging of meniscal tears: comparison of intermediate-weighted FRFSE imaging with intermediate-weighted FSE imaging

Abstract

Purpose

Materials and methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Materials and methods

Results

Conclusions

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