Three-dimensional constructive interference in steady state sequence for displaying anterolateral ligament of knee joint
10.13929/j.1003-3289.201712159
- VernacularTitle:三维稳态进动结构相干序列显示膝关节前外侧韧带
- Author:
Yupeng ZHU
1
;
Xiaoyan TANG
;
Lei SUN
;
Shaohua WANG
;
Feng DUAN
;
Chuanyu ZHANG
;
Tengbo YU
;
Dapeng HAO
Author Information
1. 青岛大学附属医院放射科
- Keywords:
Anterolateral ligament;
Three-dimensional constructive interference in steady state sequence;
Image processing,computer-assisted;
Magnetic resonance imaging
- From:
Chinese Journal of Medical Imaging Technology
2018;34(5):765-769
- CountryChina
- Language:Chinese
-
Abstract:
Objective To observe the value of three-dimensional constructive interference in steady state (3D-CISS) sequence for displaying anterolateral ligament (ALL) of knee joint.Methods MR scans of right knee joint were performed on 30 healthy volunteers,and the protocol included axial and coronal fat saturation proton density weighted imaging (FS-PDWI) and 3D-CISS sequence.MRP and CPR (reconstructive angles including 0°,30°,60°,90°,120°,150° and 180°) images were generated from of 3D-CISS sequence.The visibility rates of the femoral part,meniscal part,tibial part,meniscal insertion,femoral footprint and tibial footprint of ALL were compared among different protocols.Results The visibility rates of tibial footprint and femoral footprint of ALL on 3D-CISS CPR images were both 96.67％ (29/30),and on 3D-CISS MPR images were both 93.33％ (28/30),all of them were higher than those on FS-PDWI images (all P＜0.017).The visibility rates of tibial part,meniscal part and meniscal insertion of ALL on 3D-CISS CPR images were 96.67％ (29/30),83.33％ (25/30) and 83.33％ (25/30),respectively,and all of them were higher than those on FS-PDWI images (all P＜0.05).There was no statistical difference of visibility rate of femoral part between 3D-CISS CPR images and FS-PDWI images (P=0.095).Conclusion 3D-CISS sequence with CPR can significantly enhance the ability to identify ALL.
