滑膜肉瘤影像英文课件

上传人:公**** 文档编号:584645826 上传时间:2024-08-31 格式:PPT 页数:11 大小:1.55MB
返回 下载 相关 举报
滑膜肉瘤影像英文课件_第1页
第1页 / 共11页
滑膜肉瘤影像英文课件_第2页
第2页 / 共11页
滑膜肉瘤影像英文课件_第3页
第3页 / 共11页
滑膜肉瘤影像英文课件_第4页
第4页 / 共11页
滑膜肉瘤影像英文课件_第5页
第5页 / 共11页
点击查看更多>>
资源描述

《滑膜肉瘤影像英文课件》由会员分享,可在线阅读,更多相关《滑膜肉瘤影像英文课件(11页珍藏版)》请在金锄头文库上搜索。

1、Imaging of Synovial Sarcoma with Radiologic-Pathologic Correlation Synovialsarcomaisthefourthmostcommonmalignantprimarysoft-tissueneoplasm.Theradiologicmanifestationsandspectrumofsynovialsarcomareflecttheunderlyingpathologicappearance.Wehavereviewed,illustrated,andcorrelatedtheclinical,pathologic,an

2、dradiologicfeaturesofsynovialsarcomaaswellasthetreatmentandprognosis.Althoughtheradiographiccharacteristicsofsynovialsarcomaarenotpathognomonic,thefindingsofasoft-tissuemass,particularlyifcalcified,nearbutnotinajointinayoungpatient(1540yearsofage)areverysuggestiveofthisdiagnosis.Cross-sectionalimagi

3、ngfeaturesarevitalforstagingextentandforplanningsurgicalresection.Theyalsofrequentlyrevealsuggestiveappearancesofmultilobulationandmarkedheterogeneity(creatingthetriplesign)withhemorrhage,fluidlevels,andsepta(creatingthebowlofgrapessign).Twofeaturesassociatedwithsynovialsarcomathatmayleadtoaninitial

4、mistakendiagnosisofabenignindolentprocessareslowgrowth(averagetimetodiagnosis,24years)andsmallsize(5cmatinitialpresentation);inaddition,theselesionsmaydemonstratewell-definedmarginsandhomogeneousappearanceoncross-sectionalimages.Synovialsarcomaisanintermediate-tohigh-gradelesion,and,despiteinitialag

5、gressivewidesurgicalresection,localrecurrenceandmetastaticdiseasearecommonandprognosisisguarded.Understandingandrecognizingthespectrumofradiologicappearancesandtheirpathologicbasesallowimprovedpatientassessmentandareimportantforoptimalclinicalmanagement.Synovialsarcomawithanintermuscularoriginadjace

6、nttothehipofan18-year-oldmanwhonoticedanenlargingsoft-tissuemass.(a, b)AxialT1-weighted(a,)andT2-weighted(b)magneticresonance(MR)imagesshowalargejuxtaarticularheterogeneoussoft-tissuemass(M)withsignalintensityslightlyhigherthanthatofmusclewithT1weightingandintermediatesignalintensitywithT2weighting.

7、Thelesioniscenteredbetweentherectus(arrow),tensorfascialata(T),andsartorius(S)muscles,whicharedisplaced.Asmallamountofintermuscularfatisseenposteriorly(arrowhead).(c)Photographoftheaxiallysectionedgrossspecimenrevealssimilarfeatureswithaseptated,multilobulatedsoft-tissuemass(*)arisingbetweentherectu

8、s(arrow),tenorfascialata(T),andsartorius(S)muscles.Synovialsarcomaoftheposteriorchestwallina31-year-oldmanwithanontender,progressivelyenlarging,soft-tissuemass.(a)Axialpostcontrastcomputedtomographic(CT)scanshowsalargeposteriorchestwallmasswithlowattenuationcentrally(*)resultingfromnecrosisandathick

9、nodularwallperipherally(arrows).(b)Photographoftheaxiallysectionedgrossspecimenrevealssimilarfeatures,withnecrosis(N)centrallyandathicknodularwallofviabletumor(T)peripherally.Synovialsarcomaadjacenttotheankleina37-year-oldwomanwithasoft-tissuemassnotedaftertraumaanddevelopmentofhematoma.(a)Angiogram

10、showsdensetumorstainingandneovascularity(arrowheads)ofthelargesoft-tissuemassadjacenttotheankle.Theposteriortibialarteryisdisplaced(arrows).(b)AxialT2-weighted(2000/80)MRimagerevealsmarkedheterogeneityandmultilobulation(bowlofgrapessign)withthetriplesign(areasofhighH,intermediateI,andlowLsignalintensity),fluidlevels(arrowheads)resultingfromhemorrhage,andcorticalerosion(arrows).(c)Photographofthesectionedgrossspecimenshowsthemultilobulatedhemorrhagicmorphology(*)correspondingtotheMRimagingappearance.

展开阅读全文
相关资源
正为您匹配相似的精品文档
相关搜索

最新文档


当前位置:首页 > 医学/心理学 > 基础医学

电脑版 |金锄头文库版权所有
经营许可证:蜀ICP备13022795号 | 川公网安备 51140202000112号