脛骨骨折影像之鑑別, definition of Tibial fracture. ... 是長骨骨折最常見的原因。

分類 (依解剖構造) 1. 近端脛骨骨折(Proximal tibial fractures) (Tibial plateau fracture)脛骨骨折|醫學影像學習園地首頁臨床案例心血管肝膽腸胃胸腔婦產泌尿耳鼻喉癌症分期外傷嚴重度分數正常構造指引正常X光解剖位置頭部脊椎胸部腹部上肢下肢正常CT解剖位置指引頭部胸部AXIAL胸部CORONAL頸部腹部AXIAL腹部CORONAL正常MRI解剖位置指引頭部頸部脊椎SAGGITAL脊椎AXIAL肩部SAGGITAL肩部CORONAL肩部AXIAL醫學影像工具電腦斷層攝影(CT)簡介磁振造影(MRI)簡介乳房攝影及BIRADS診斷網站資訊留言板常見問題與討論區相關連結網頁製作團隊脛骨骨折Tibialfracture文/王幸婷.謝博堯.陳傑龍圖/江品儀簡介脛骨骨折可能是由外傷(trauma),或過度使用(repetitiveuse)造成，後者造成壓力性骨折(stressfracture)。

流行病學1.骨折發生於兩種外傷分類：(1)高能量外傷(Highenergytrauma)：例如-摩托車或腳踏車意外事故，易造成複雜性、開放性脛骨骨折(complex,opentibiafractures)(2)低能量外傷(Lowenergytrauma)：例如-跌倒、持續性或衝擊性運動、跑步，易造成單純的橫向或線性脛骨骨折(simpletransverseorlineartibiafracture)2.在美國成人和小孩中，closedtibialshaftfracture是長骨骨折最常見的原因。

分類(依解剖構造)1.近端脛骨骨折(Proximaltibialfractures)(Tibialplateaufracture)(1)TheAO-OTAComprehensiveLongBoneClassification(A)extra-articularfractures：occurinthemetaphysisorepiphysis(B)partialarticularfractures：involveonlyaportionofthearticularsurface(見case1)(C)complexarticularfractures：thearticularsurfaceisdissociatedcompletelyfromthediaphysessothatthereisnocontinuitybetweenanyarticularpieceandthediaphysis(2)TheSchatzkerclassification:dividedintolow-energyvariants(typesI–III)andhigh-energyvariants(typesIV–VI)-SchatzkertypeI:Thefracturelinetypicallyoccursinthesagittalplane.-SchatzkertypeII:Thissplitdepressionfractureofthelateraltibialcondyle.Thecancellousboneunderlyingthearticularsurfacecannotwithstandtheloadofthelateralfemoralcondyleandthussustainsadepressedarticularregionaswellasthesplitcomponent(見P5,case1)-SchatzkertypeIII:apuredepressionfractureofthelateralplateaucommonlydiagnosedintheelderlyandcanbeconsideredafragilityfracture.Thereisnoassociatedmetaphysealcondylarfractureline.-SchatzkertypeIV:fracturesofthemedialcondylemaynotviolatethemedialarticularsurface,typicallypassmorelaterally,throughorlateraltotheintercondylareminence,andseparatethemedialplateaufromtheremainderofthetibia.-SchatzkertypeV:totalarticularfractureintheconfigura