高频超声观察T7~8椎旁间隙及其毗邻结构

目的 探讨T7~8椎旁间隙及其毗邻结构的高频超检查方法和声像图特征。方法 采用彩色多普勒超声诊断仪、线阵探头（频率3~12 MHz）,以肩胛骨、肋骨、胸椎棘突及横突等作为解剖标志,检查30名正常成人共60侧T7~8椎旁间隙,观察T7~8椎旁间隙及其毗邻结构的声像图特征。结果 T7~8胸椎旁间隙声像图表现类似三角形,其内部为实性均质性低回声;T7~8椎旁间隙毗邻肌肉从浅至深依次为斜方肌、背阔肌、棘肌、半棘肌、多裂肌、回旋肌、肋间肌;彩色多普勒或能量多普勒血流成像可显示位于胸椎旁间隙内肋间后动脉。结论 高频超声可清晰显示T7~8椎旁间隙及其毗邻结构,可为临床诊治胸椎旁间隙及其毗邻结构病变提供影像学依据。

High frequency ultrasound inspection of T7-8 paravertebral space and adjacent structures

Objective To observe value of high frequency ultrasound for inspection of T7-8 paravertebral space and adjacent structures. Methods Color Doppler ultrasonic diagnostic apparatus with linear array transducer (frequency 3-12 MHz) were used. Taking shoulder blade, ribs, thoracic spine and transverse process as anatomical marks, T7-8 paravertebral spaces of 30 normal adult (a total of 60 side) were examined. Ultrasonographic features of T7-8 paravertebral space and the adjacent structures were observed. Results T7-8 thoracic paravertebral showed as similar triangular shape with ultrasonography, interior solid homogeneously hypoechoic was noticed. Adjacent muscles of T7-8 paravertebral space included the trapezius, latissimus dorsi, spinalis, semispinalis, multifidus, rotatores and intercostal muscles. Color Doppler or power Doppler flow imaging could demonstrate posterior intercostal artery in the paravertebral space. Conclusion High frequency ultrasound can clearly show T7-8 paravertebral space and adjacent structures, thus providing ultrasonic references for clinical diagnosis and treatment of lesions of thoracic space and adjacent structures.