CAJ | 학술논문

目的探讨拇指掌指关节侧韧带的正常解剖及损伤的影像表现.方法选择2011年9月至2014年9月北京积水潭医院7名健康志愿者和20例拇指掌指关节侧韧带损伤患者为研究对象,所有健康志愿者及患者均行拇指侧韧带MR检查,对照分析健康志愿者与拇指侧韧带损伤患者的侧韧带正常解剖及侧韧带损伤的MRI特点.将其影像学表现与手术或随访结果进行对照,并由双盲法分析确认.结果 7名健康志愿者拇指侧韧带MRI在T1WI和质子密度脂肪抑制(PD-FS)序列上均为细条带状均匀低信号.正常尺侧副韧带的平均厚度为2.0～2.3 mm,正常桡侧副韧带更薄,平均厚度为1.4～1.5 mm.20例拇指侧韧带损伤患者(其中尺侧副韧带损伤12例,桡侧副韧带损伤8例)表现为损伤韧带T1WI序列信号不清,纤维连续性中断,PD-FS序列损伤的韧带信号不均匀增高,并可见周围软组织水肿.结论 MRI是评价拇指侧韧带正常解剖及损伤的有效方法,对拇指侧韧带损伤的早期诊断和治疗具有重要的意义.
목적 탐토무지장지관절측인대적정상해부급손상적영상표현.방법 선택2011년9월지2014년9월북경적수담의원7명건강지원자화20례무지장지관절측인대손상환자위연구대상,소유건강지원자급환자균행무지측인대MR검사,대조분석건강지원자여무지측인대손상환자적측인대정상해부급측인대손상적MRI특점.장기영상학표현여수술혹수방결과진행대조,병유쌍맹법분석학인.결과 7명건강지원자무지측인대MRI재T1WI화질자밀도지방억제(PD-FS)서렬상균위세조대상균균저신호.정상척측부인대적평균후도위2.0～2.3 mm,정상뇨측부인대경박,평균후도위1.4～1.5 mm.20례무지측인대손상환자(기중척측부인대손상12례,뇨측부인대손상8례)표현위손상인대T1WI서렬신호불청,섬유련속성중단,PD-FS서렬손상적인대신호불균균증고,병가견주위연조직수종.결론 MRI시평개무지측인대정상해부급손상적유효방법,대무지측인대손상적조기진단화치료구유중요적의의.
Objective To explore the anatomy and injuries features of the thumb collateral ligamentat the metacarpophalangeal(MCP) joints.Methods The study was reviewed and approved by an institutional review board of hospital.Clinical imaging data of 7 healthy volunteers who without injuries and 20 patients with thumb collateral ligament injuries were retrospectively analyzed.All subjects underwent magnetic resonance examination,then comparative analysis of the normal anatomy and the thumb collateral ligament injury at MCP joints of MRI features in healthy volunteers and patients with injury.Imaging findings were compared with the surgical results and confirmed by followed up in patients.Results Seven volunteers without ligament injures showed homogeneous low-signal-intensity on T1-weighted and proton fat saturation sequence(PD-FS) images.The average thickness of the ulnarcollateral ligament is about 2.0 to 2.3 mm,however,the normal radial collateral ligament is thinner,the average thickness is about 1.4-1.5 mm.There were 20 patients with thumb collateral ligament injuresat MCP joints,including 12 cases of ulnar collateral ligament injury and 8 cases of radial collateral ligament injury,which demonstrated poor definition,discontinuity and heterogeneously increased signal intensity in proton fat saturation sequence(PD-FS) of the involved collateral ligament.There was edema in the soft tissues surrounding the injured sites.Conclusion MRI is an accurate method for evaluation of the anatomy and pathologic conditions of the thumb collateral ligamentsat MCP joints,and it is a useful tool for early diagnosis and treatment of the thumb collateral ligaments injuries.