Magnetization transfer contrast gradient echo T2WI sequence in the diagnosis of bone contusion of knee joint

VernacularTitle:磁化传递对比梯度回波T2加权序列用于诊断膝关节损伤
Author: Cunnan MAO ; Shuzhi WANG ; Qianzhi WU ; Xindao YIN ; Lingquan LU ; Liping WANG ; Min FENG
Publication Type:Journal Article
Keywords: Magnetic resonance imaging; Gradient echo; Knee injuries
From: Chinese Journal of Medical Imaging Technology 2009;25(7):1262-1264
CountryChina
Language:Chinese
Abstract: Objective To assess the diagnostic value of magnetization transfer contrast (MTC) gradient echo (GRE) T2WI sequence in bone injury of knee joint. Methods MRI data of 56 patients with knee injury were analyzed retrospectively. All patients underwent SE sequence (sagittal T1WI, T2WI) and sagittal MTC-GRE T2WI sequence. The size, signal intensity and margin of bone contusion with different MRI sequence were analyzed and compared. Results Among 56 patients, 43 and 45 cases were demonstrated on SE T1WI and T2WI, respectively; 50 cases were displayed on MTC-GRE T2WI sequence. The size, border of bone contusions and sensitivity displayed on MTC-GRE T2WI sequence were statistically higher than those on SE sequence (P<0.05). Conclusion MTC-GRE T2WI sequence has great diagnostic value in contusion of knee joint, which is superior to FSE sequence.