Application value of 3.0T MRI 3D-MERGE sequence in evaluating the degree of supraspinatus tendon injury

Abstract

Abstract:

Objective:To study the application value of 3.0T MRI 3D-MERGE sequence in evaluating the degree of supraspinatus tendon injury.Methods:A total of 52 patients with shoulder pain diagnosed with arthroscopy were enrolled. The 3.0T MRI 3D-MERGE sequence and conventional sequences (including T1WI, T2WI-FS, T2WI-FS on axial plane and PDWI-FS on oblique sagittal plane) were performed, and the results were retrospectively analyzed. According to the arthroscopic findings, the patients were divided into 4 groups: group Ⅰ(without supraspinatus tendon injury), group Ⅱ(mild tear of supraspinatus tendon, <50%), group Ⅲ (moderate to severe tear of supraspinatus tendon, ≥50% but not completely) and group Ⅳ(supraspinatus tendon tear completely). The diagnostic efficacy of 3D-MERGE sequence, conventional sequences alone and combination for supraspinatus tendon injury were compared.Results:The diagnostic efficacy between 3D-MERGE sequence, conventional sequences alone and combination for differentiating supraspinatus tendon with tear from without tear were similar (allPvalues>0.05). The sensitivity,specificity,positive predictive value,negative predictive value of the 3D-MERGE sequence, the conventional sequences and the combined two sequences were 100%, 80.00%, 88.90%, 100%, and 65.60%, 100%, 100%, 64.50%, and 100%, 90.00%, 94.10%, 100%, respectively. However, for evaluating supraspinatus tendon tear≥50% and above, the diagnostic efficacies of the 3D-MERGE sequence and the combined two sequences were better than that of conventional sequences (bothPvalues<0.05). There was no significant difference between the 3D-MERGE sequence and the combined two sequences (P=0.38).Conclusions:Compared with conventional sequences, 3D-MERGE sequence has a higher performance for diagnosing supraspinatus tendon injury from moderate to severe degree or above, and it could be used as a supplementary sequence for evaluating the degree of supraspinatus tendon injury.

Key words:Magnetic resonance imaging,3 dimensional-multiple-echo recalled gradient echo,Supraspinatus tendon injury

CLC Number:

R641

CAO Juntao, HU Ming, QIAN Pingkang, TU Jianchun, ZHANG Huan, SHEN Junkang. Application value of 3.0T MRI 3D-MERGE sequence in evaluating the degree of supraspinatus tendon injury[J]. Journal of Diagnostics Concepts & Practice, 2021, 20(01): 77-81.

Figures/Tables4

序列	灵敏度(%)	特异度(%)	阳性预测值(%)	阴性预测值(%)
常规序列	65.60（46.80~81.40）	100（83.20~100）	100	64.50（53~74.60）
3D-MERGE序列	100（89.10~100）	80.00（56.30~94.30）	88.90（76.90~95.10）	100-
联合2种序列	100（89.10~100）	90.00（68.30~98.80）	94.10（81.10~98.30）	100-

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