J Korean Soc Magn Reson Med.  1999 Mar;3(1):73-77.

Diagnosis of Meniscal Tear of the Knee Using Proton-weighted Fast Spin-Echo MR Imaging: Can be an Alternative to Conventional Spin-Echo Imaging?

Affiliations
  • 1Department of Radiology, Our Lady of Mercy Hospital, The Catholic University of Korea.

Abstract

PURPOSE
The purpose of this study was to evaluate the sensitivity and specificity of proton-weighted fast spin-echo MR imaging in diagnosing the meniscal tear of knee as an reasonable substitute for conventional spin-echo imaging.
MATERIALS AND METHODS
102 consecutive patients, proved by surgery, were participated in this study. All of them were suspected internal derangement of knee, examined by fast spin-echo MR imaging including sagittal and coronal images on a 1.5T MR imager and underwent arthroscopic or open surgery of knee joint within 2 months. These images were reviewed retrospectively by three radiologists. The sensitivity and specificity of meniscal tear were calculated.
RESULTS
The sensitivity and specificity of meniscal tear reviewed by proton-weighted fast spin-echo MR imaging were 94%, 93% in medial meniscus and 92%, 88% in lateral meniscus.
CONCLUSION
The sensitivity and specificity of meniscal tear using proton weighted fast-spin echo MR images were as high as those using conventional spin-echo MR imaging in diagnosing meniscal tear of the knee.

Keyword

Knee; MR Knee; ligaments; menisci; cartilage MR; technology

MeSH Terms

Diagnosis*
Humans
Knee Joint
Knee*
Ligaments
Magnetic Resonance Imaging*
Menisci, Tibial
Protons
Retrospective Studies
Sensitivity and Specificity
Protons
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