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1、LingLiiChauI11008950肩峰下滑囊炎Sub-acromialbursitis肩峰下滑液囊在临床上意义最大。此滑囊炎的特点多不是原发性的，而是继发于邻近组织的病变，尤以岗上肌的损伤、退行性变、钙盐沉积和肌腱 袖破裂的影响最大，如钙化性岗上肌腱炎，在急性期能破溃至滑囊内引起急性滑囊炎，称钙化性滑囊炎。当然，也可由直接或间接的外伤所引起。肩关节外展、内旋时，此滑囊随肱骨大结节滑入肩峰的下方而不能被触到概论IntroductionSub-acromialbrusitisplaysansignificantroleincl
2、inicalsessionItisnotprimarycausebutissecondarycausesduetoadjacenttissuelesionsespeciallyinjuryofsupraspinatustendon,degeneration,calciumdepositionandcufftendonruptureslikecalcificsupraspinatustendinitis,ulcerationtobursaduringacutestageleadtoacutebrusitisareknownasca
3、lcificbrusitis.Alsocanbecausedbydirectorindirecttrauma.Shoulderabduction,internalrotation,bursafollowgreatertuberosityofhumerusandslippedtodownwardofacromionandthusunabletotouch别名位置肩部的应用解剖Appliedanatomyoftheshoulder肩峰下滑液囊三角肌下滑液囊肩峰下三角肌下位于肩峰，喙肩韧带与冈上肌之间三角肌下滑液囊位于三角肌上部与冈上
4、肌腱止点之间，两囊在成年人一般互通为一体。滑利肩关节，减少磨损在肩峰外展时，使大结节在肩峰下运动灵活肩峰下滑液囊别名肩峰下关节Subacromialbursitisalsocalleddeltoidmusclebrusitis,becauseofthesynovialdivideintosubacromialandsubdeltoid.Subacromialbursalocatedatacromialbone,inbetweencoracoacromialligamentbetweenthesupraspinatus.Delto
5、idmusclebursalocatedatupperpointofdeltoidandsupraspinatustendon.Bothbursanormallyaretogetherinadult.Subacromialbursaisthelargesthumananatomysynovial,whichprofitsslipshoulder,reducefriction,noteasybecomeweak.Duringshoulderabduction,itprovidesgreatertuberosityinsubacro
6、mialflexiblemovement,soarebeneficialtoshoulderactivities,alsocalledthesubacromialjoint.肩部周围的肌肉有内外两层外层内层三角肌和大圆肌肌腱袖肩峰下滑液囊肩部周围的肌肉有内外两层，外层为三角肌和大圆肌，内层为肌腱袖，肩峰下滑液囊介于此二层之间，以保证肱骨大结节顺利地通过肩峰下进行外展活动Themusclesaroundtheshoulderaredividedintointernalandexternallayers,externallayerc
7、onsistofdeltoidandteresmajor,internallayerconsistofcufftendon,subacromialbursalocatedbetweenthetwolayer,inordertoensuresmoothabductionofgreatertuberosityofhumerus肩峰下滑液囊炎可因直接或间接外伤所引起，但本病大多继发于肩关节周围的软组织损伤和退行性变，尤以滑液囊底部的冈上肌腱的损伤、炎症、钙盐沉积为最常见。Duetoshoulderjointsurroundingles
8、ionanddegeneration肩峰下滑液囊组织介于肩峰与肱骨头之间，长期反复摩擦可致损伤。滑膜受到损伤后，发生充血、水肿和滑液分泌增多，形成滑液囊积液。日久慢性炎症残存，不断刺激，滑膜增生，囊壁增厚，滑液分泌减少，组织粘连，从而影响肩关节外展，上举及旋转活
