肩关节磁共振诊断肩关节磁共振诊断MR扫描技术骨性出口和肩峰正常骨性出口肩峰形态肩峰形态肩峰形态肩峰下倾肩峰下倾骨性肩峰发育骨性肩峰发育异常（轴位）骨性肩峰发育（矢状面）骨性肩峰肩峰骨赘形成肩峰肩锁关节喙肩关节喙突碰撞骨性出口和肩峰肩袖肩袖（矢状面）肩袖（矢状面）肩袖（矢状面）肩袖（轴位）肩袖（轴位）RotatorCuff(AxialPlane)肩袖（冠状面）RotatorCuff(Coronal)肩袖（冠状面）肩袖病变肌腱病变关节囊部分撕裂（关节面）PartialThicknessTear(Articular)部分撕裂（关节囊面）PartialThicknessTear(Bursal)肩袖部分撕裂（肌腱内型）PartialThicknessTear(Interstitial)肩袖肌间囊肿IntramuscularCystRotatorCuff肌间囊肿IntramuscularCystRotatorCuff全层撕裂FullThicknessTear-FluidSignalwithinSST冈上肌腱内出现液性信号-GadArthrogram:DemonstratesFullThicknessTear-肩关节造影：显示全层撕裂完全撕裂CompleteTear特征：肌肉肌腱回缩Musculotendinousretraction脂肪增厚FattyAtrophy-Normalmusclebulk-正常冈上肌钙化性肌腱炎CalcificTendonitis肩袖病变RotatorCuffPathology关节囊结构和盂唇CapsularStructuresandLabrumBankart病变BankartLesion-SubtleLesionsBestDemonstratedonMRArthrography-MR肩关节造影能更好的显示盂唇微小病变HillSach病变HillSachsLesionSLAP病SLAPTears肩关节表面和骨性结构OsseousStructuresandArticularSurfaces红骨髓变HematopoieticMarrow皮质下囊变SubcorticalCysticChange创伤Trauma肱骨头无菌性坏死AVN非特异性骨髓信号异常NonspecificMarrowSignal肿瘤Tumor关节软骨ArticularCartilage肱二头肌病变BicepsTendon肱二头肌病变BicepsTendon肱二头肌病变BicepsTendon-Extra-articularBiceps:BestSeenonAxialImage关节外肱二头肌腱：轴位显示最佳-InBicipitalGroove;TransverseLigament肌腱位于二头肌沟内，外有横韧带保护肱二头肌腱脱位BicepsTendonDislocation肱二头肌腱炎/撕裂BicepsTendonitis/Tear盂唇旁囊肿ParalabralCyst肩胛上神经卡压SuprascapularNerveEntrapment冈上肌/冈下肌去神经化DenervationSupra/Infraspinatus冈下去神经化DenervationInfraspinatus四边孔综合征QuadrilateralSpaceSyndrome-ChronicFattyAtrophyofTeresMinorandDeltoid小圆肌和三角肌慢性萎缩和脂肪化-HighSignalonT1ImagesT1加权高信号表现SystematicApproachtotheShoulder肩关节读片要领CapsuleandLabrumLabralTear;Anterior;SLAP;Posterior关节囊和盂唇盂唇撕裂；前盂唇病变；SLAP；后盂唇病变OsseousStructuresandArticularSurfacesTrauma;Arthritis;Infection;Tumor骨性结构和关节面创伤；关节炎；感染；肿瘤BicepsTendonTendonopathy;Tear;Dislocation肱二头肌腱肌腱病变；撕裂；脱位