磁共振成像在跟腱撕裂中的应用价值

The Diagnostic Value of MRI to Achilles Tendon Laceration

目的:研究跟腱撕裂的磁共振成像(MRI)的应用价值。方法:分析32例有踝关节外伤病史、经临床及手术证实,MRI资料完整的跟腱完全撕裂或部分撕裂病例,总结其特征性的MRI表现。结果:MRI诊断跟随完全撕裂14例,MRI特征性表现为肌腱增粗、形态不规则,肌腱束连续性完全中断,肌腱断端交错呈“毛刷”状或回缩呈“杆”状改变,在T1WI、T2WI上其内呈混杂高信号;部分撕裂18例。MRI表现为肌腰增粗、宽径/前后径比例变小,在T1WI、T2WI上肌腱内局限性高信号,肌腱束部分毛糙、不规则,但在矢状位至少有1个层面是连续的;手术或临床资料综合分析结果:完全撕裂12例,部分撕裂20例。结论:MRI能清晰显示跟腱形态及其内部结构,可以准确诊断撕裂的部位和程度,对临床手术治疗提供准确的依据及具有较好的指导作用。

Objective To investigate the diagnostic value of achilles tendon laceration by MR images. Methods Delineated MRI findings in 32 patients who had history of ankle joint trauma and were proved the complete or partial achilles tendon laceration were analyzed. The characteristic manifestations of MR were summarized. Results The achilles tendon laceration was diagnosed on MRI in all cases, according to the differential MRI features, complete achilles tendon rupture was shown in 14 cases and partial laceration in other 18 cases;The diagnosis incluede complete achilles tendon rupture 12 cases and partial rupture 20 cases by comprehensively analyzing surgical or clinical findings. Conclusion MRI can clearly show the structure of achilles tendon, and accurately diagnose the portion and the degree of achilles tendon laceration, which provide evidence and guidance for surgical treatment.