眼底病OCT解讀演示教學(xué)課件

眼底病OCT影像分析與解讀眼底病OCT影10CT簡(jiǎn)介正常視網(wǎng)膜異常視網(wǎng)膜肆眼底病圖0CT簡(jiǎn)介22八豆】(ont光學(xué)相干斷層掃ticalCoherenceTomo2八豆】(ont3OCT光源:超級(jí)二級(jí)管(SLD)產(chǎn)生波長(zhǎng)820m紅外線原理:以光的千涉現(xiàn)象觀察生物組織的斷層成像特點(diǎn):一安全、無(wú)電離輻射無(wú)創(chuàng)檢查分辨率相對(duì)于JRI和超聲,大大提高,軸向分辨力高D-OCTOCT4CT臨床應(yīng)用黃斑區(qū)(視網(wǎng)膜)疾病的輔助診斷■脈絡(luò)膜疾病的輔助診斷早期青光眼的篩查及隨訪眼前節(jié)疾病的輔助診斷CT臨床應(yīng)用5貳正常視網(wǎng)膜0貳6最新國(guó)際0CT分層命名共識(shí)脈絡(luò)膜神經(jīng)纖維層外界膜神經(jīng)節(jié)細(xì)胞層內(nèi)叢狀層內(nèi)顆粒層光感受器外節(jié)外叢狀層嵌合體帶(RPE與外節(jié)交錯(cuò))外顆粒層RPE/Bruch膜復(fù)合體神經(jīng)纖維層最新國(guó)際0CT分層命名共識(shí)7組織分層【INcT】細(xì)織分層命名1.PosterFormedVitreous4.GanglionCellLayerInnerPlexiformlayeInternalLimitingMembrane6.InnerNuclearLayer7.OuterPlexiform【ayerI12.OuterSegmentofPhotoreceptors8.2HenleFiberlaye1.outerNuclearLayer2.PreteinNerveFit9.ExternalLimitingMembrane16.Settlerslayer15.Choriocapillaris10.MyoidZone7,H組織分層8反射信號(hào)編號(hào)OCT反射英立名中文名高Posteriorcorticalvitre。us后皮庋玻璃體低Pre-retinalspace前視網(wǎng)膜間隙高Nervefiberlayer神經(jīng)纖維層4低Ganglioncelllayer神經(jīng)節(jié)細(xì)胞層5高nnerplexiformlayer內(nèi)叢狀層6低Innernuclearlayer內(nèi)核層7Outerplexiformlaver外叢狀層低outernuclearlayer外核層8.2低Henle'snervefiberlayerHenle纖維層高Externallimitingmembran外界膜10低Myoidzone(photoreceptors肌樣體區(qū)11Ellipsoidzone(photorecep1橢圓體區(qū)12低utersegmentsofphotorec光感受器外節(jié)反射信號(hào)9正常視乳頭黃斑0T黃斑特點(diǎn)(1)中心凹視網(wǎng)膜最薄,只有一層外核層,缺少神經(jīng)纖維層正常視乳頭黃斑0T10眼底病OCT解讀PPT演示幻燈片課件11眼底病OCT解讀PPT演示幻燈片課件12眼底病OCT解讀PPT演示幻燈片課件13眼底病OCT解讀PPT演示幻燈片課件14眼底病OCT解讀PPT演示幻燈片課件15眼底病OCT解讀PPT演示幻燈片課件16眼底病OCT解讀PPT演示幻燈片課件17眼底病OCT解讀PPT演示幻燈片課件18眼底病OCT解讀PPT演示幻燈片課件19眼底病OCT解讀PPT演示幻燈片課件20眼底病OCT解讀PPT演示幻燈片課件21眼底病OCT解讀PPT演示幻燈片課件22眼底病OCT解讀PPT演示幻燈片課件23眼底病OCT解讀PPT演示幻燈片課件24眼底病OCT解讀PPT演示幻燈片課件25眼底病OCT解讀PPT演示幻燈片課件26眼底病OCT解讀PPT演示幻燈片課件27眼底病OCT解讀PPT演示幻燈片課件28眼底病OCT解讀PPT演示幻燈片課件29眼底病OCT解讀PPT演示幻燈片課件30眼底病OCT解讀PPT演示幻燈片課件31眼底病OCT解讀PPT演示幻燈片課件32眼底病OCT解讀PPT演示幻燈片課件33眼底病OCT解讀PPT演示幻燈片課件34眼底病OCT解讀PPT演示幻燈片課件35眼底病OCT解讀PPT演示幻燈片課件36眼底病OCT解讀PPT演示幻燈片課件37眼底病OCT解讀PPT演示幻燈片課件38眼底病OCT解讀PPT演示幻燈片課件39眼底病OCT解讀PPT演示幻燈片課件40眼底病OCT解讀PPT演示幻燈片課件41眼底病OCT解讀PPT演示幻燈片課件42眼底病OCT解讀PPT演示幻燈片課件43眼底病OCT解讀PPT演示幻燈片課件44眼底病OCT解讀PPT演示幻燈片課件45眼底病OCT解讀PPT演示幻燈片課件46眼底