骨梗死影像学表现及其病理学基础

  本文关键词：骨梗死影像学表现及其病理学基础，由笔耕文化传播整理发布。

骨梗死影像学表现及其病理学基础

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CUIGuan-bin,WANGWei,SONGLi-un,QINYue,GUOWei,gj

DUPanLIWei,XIONGXiao-shuanIJin-uo*g,gWEgg

(DeartmentoadioloTanduHosital,FourthMilitaredicalUniversitXi'an710038,China)pfRgy,gpyMy,

[]Abstract Obective Toexloretheimainanifestationsandtheirrelatedpatholoicalbasisofboneinfarction.Meth-pggmgj

,Cods TheplainradiorahTandMRIimaesofelevencasesofboneinfarctionwhichwereconfirmedbatholoicalgpygypg,tibia.InearltaethemaorimaefindinsofplainradiorahndCTwereneativeoronllihtdimoflocalboneysgjgggpyagyasg

,//trabeculaandthemaorMRImanifestationswereisoshortT1T2sinalchanesinthecenterofthefociandlace-likelonjggguncturebiosndclinicalfollow-uisitwereanalzedretrosectivel.Theirimaefeaturesweresummarizedwiththeirppyapvypyg

,matholoicalchanesofearliddleandlatestaes.Results Mostoftheinfarctionsitesweredistalfemurandproximalpggyg

,,//hintrabsandirreularshaedpunctatecalcificationsthemaorMRImanifestationswereisolon1T2sinalchanesggpjgTgg

,inthecenterofthefociandaearanceoflace-likelowT1WIsinalzonearoundthefocitwolaersofT2WIsinalzoneppgyg/tionossificationprocessoccurred.Conclusion Theimaineaturesofboneinfarctionandtheirrelatedpatholoicalbasisggfg

,MRaredifferentatdifferentstaes.InearltaeIismoreeffectivetothedianosisofboneinfarctionthanplainradio-gysggbutMRIisthebestwaoexamineanddetectboneinfarction.yt

[];;M;Keords BoneinfarctionRadiorahaneticresonanceimainPathologpyggggyyw

whichwaslowatoutlaerandhihatinnerlaerwasalsoobserved.AnotherMRImanifestationwaslon1andshortT2ygygT

,,sinalsreflectinhatthenecrotictissuewererelacedbranulationtissueandfibroustissueandafibrosisandcalcifica-ggtpyg,,,rahndCT,inmiddleandlatestaelainradiorahCTandMRIhavetheirdistinctivemanifestationsresectivelgpyagpgpypy

/,,T1T2sinalzonearoundthefocireflectindemaandhemorrhaewithintheinfarctionandconestiveedemabetweentheggegg

,fociandnormalmarrow.InthelatestaeoftheinfarctionthemaorimaechanesoflainradiorahndCTwerepatc-gjggpgpya

骨梗死影像学表现及其病理学基础

崔光彬,王 玮,宋立军,秦 越,郭 炜,

杜 滂,李 玮,熊晓双,魏经国*

()第四军医大学唐都医院放射科,陕西西安 710038

[摘 要] 目的 探讨骨梗死的影像学表现及其病理学基础。方法 回顾性分析对临床随访及穿刺活检病理证实的11周边环绕花边状长T长T示梗死灶内出血肿胀,与正常骨髓间有充血水肿;中晚期X线、条1、2信号带,CT表现为斑片状、

例骨梗死X线平片、并结合骨梗死早、中晚期病理改变,总结其影像学特征。结果 病变主要累及股骨下CT及MRI征象,

端和胫骨上端。骨梗死早期X线、CT阴性或仅局部骨小梁模糊,MRI表现为骨梗死灶中心区呈等至短T1、T2信号改变,

索状及不规则骨质硬化和钙化;病灶边缘TMRI表现为病变中心等或稍长T1、T2信号改变;1WI呈花边状低信号带,

外层为低信号的双信号带。最后MR短T示坏死组织被肉芽组织和纤维组织T2WI呈内层为高信号、I呈长T1、2信号影,平片和C中晚期平片、而MRT敏感,CT和MRI均具有特征性表现,I是本病最好的检查手段。

[关键词] 骨梗死;放射摄影术;磁共振成像;病理学

替代而发生纤维化和钙化或骨化。结论 骨梗死的各期有不同的影像学表现和相应的病理学基础,MRI发现早期病变较

[()中图分类号]文献标识码]文章编号] R816.8;R814.42 [ A [ 1003-3289200705-0724-03

[,,作者简介]崔光彬(男(朝鲜族)黑龙江人,博士,主治医师,1967-)[通讯作者]魏经国,第四军医大学唐都医院放射科,710038。[收稿日期]修回日期]2006-11-21 [2007-04-26:讲师。E-mailcbtd@

病理 由于多种病因所致的骨营养血管梗塞即为骨梗死,

改变主要是干骺端或骨干的骨细胞及骨髓细胞结构缺血坏

1,2]

。本文回顾性分死。本病较少见,病因复杂,诊断较困难[

:E-mailtdradio2@

析2003年6月-2006年7月间通过影像学检查诊断的11例骨梗死,旨在进一步提高对本病的认识以及诊断水平。

  本文关键词：骨梗死影像学表现及其病理学基础，，由笔耕文化传播整理发布。