Diagnostic efficacy of MR 3D-SPACE and 2D-FSE techniques in knee meniscus injury
10.3969/j.issn.1002-1671.2025.01.020
- VernacularTitle:MR 3D-SPACE及2D-FSE技术在膝关节半月板损伤中的诊断效能
- Author:
Gang LIU
1
;
Peng LI
1
;
Yuqin WU
1
;
Wei HUANG
1
Author Information
1. 长沙市第一医院放射科,湖南 长沙 410005
- Publication Type:Journal Article
- Keywords:
knee meniscus injury;
three-dimensional sampling perfection with application optimized contrast using different flip angle evolutions;
two-dimensional fast spin echo;
arthroscopy
- From:
Journal of Practical Radiology
2025;41(1):89-92
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the diagnostic efficacy of MR with three-dimensional sampling perfection with application opti-mized contrast using different flip angle evolutions(3D-SPACE)and two-dimensional fast spin echo(2D-FSE)techniques in knee meniscus injury.Methods The imaging data of 100 patients who underwent arthroscopy for knee pain or trauma were collected.All patients underwent arthroscopy,conventional 2D-FSE sequence and 3D-SPACE sequence examination.Using the results of arthroscopy as the gold standard,the classification of meniscus injury and the classification of grade Ⅲ injury morphology were observed in two MR sequences.The diagnostic efficacy of meniscus injury was measured,and the contrast-to-noise ratio(CNR)of meniscus tissue was compared.Results Arthroscopy revealed 92 meniscus injury,and 58 grade Ⅲ meniscus injury,among 100 patients with suspected knee meniscus injury.The accuracy of classification diagnosis with the 3D-SPACE sequence(95.65%)was significantly better than that of the 2D-FSE sequence classification diagnosis acuracy(80.43%)(P<0.05).Specifically,the diagnostic accuracy of gradeⅡ(96.15%)and grade Ⅲ(94.83%)with the 3D-SPACE sequence was significantly higher than that of the 2D-FSE sequence(76.92%for grade Ⅱ and 81.03%for grade Ⅲ)(P<0.05).The diagnostic accuracy of mixed-type tears with the 3D-SPACE sequence(94.74%)was significantly better than that of the 2D-FSE sequence(63.16%)(P<0.05).Consistency analysis confirmed that the sensitivity,specificity,positive predictive value,negative predictive value and accuracy of the 2D-FSE and 3D-SPACE sequences for overall detec-tion of meniscus injury were 78.26%,75.00%,97.30%,23.08%and 78.00%(Kappa value=0.262)and 94.57%,87.50%,98.86%,58.33%,94.00%(Kappa value=0.646)(P<0.05),respectively.The meniscus/ligament CNR of the 3D-SPACE sequence was higher than that of the 2D-FSE sequence(P<0.05).Conclusion The 3D-SPACE sequence exhibits high sensitivity and accuracy in the diagnosis of knee meniscus injury.It has significant advantages in determining the classification of meniscus injury and preoperative location of partial tears,providing a more reliable basis for the diagno-sis and treatment of patients with suspected knee meniscus injury.
