三维高时间分辨率MR血管减影成像诊断四肢软组织血管瘤.pdf

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1、中国介入影像与治疗学2012年第9卷第8期ChinJIntervImagingTher，2012，Vol9，No8·609·Three—dimensionalhightemporalresolutionMRsubtractionangiographyindiagnosisofsofttissuehemangiomaoflimbsZHANGYu，LUOXiang—wei，MOZi，LIDa—sheng，CHENDong，TANGNa—riot，ZHUYou—zhi(DepartmentofRadiology，the105thHospitalo

2、fPLA。Hefei230031，China)[Abstract~ObjectiveToobserveconventionalMRIfeaturesofsofttissuehemangiomaof1imb，andtoassessthevalueof3DhightemporalresolutionMRimagingsubtractionangiography(3D-HR-MRISA)indiagnosisofthisdisease．MethodsAll18patientswithhemangiomaunderwentplainandpost—

3、contrastenhancedroutineMRIand3D-HR—MRISAwitha3．0TMR，thenthedemonstrationoffeedingarteriesanddrainingveinswereobserved．Theabilitiesofeverysequenceonthehe—mangiomawereassessedwith4scales(O～3)．ResultsTherewere16casesofsolitaryhemangiomaand2casesof2he—mangiomas，totally20hemang

4、iomas．Thefeedingarteriesof17hemangiomaswerefound，anddrainingveinsof13heman—giomasweredetectedby3D-HR—MRISA．ThesumofaveragescoreforT2WIfat—suppression(Spair)was2．78土0．44。higherthanthatofT1WI(1．67±1．O0，P一0．013)，T2WI(2．33±0．50，P一0．035)andthetempora1basicimaging(1．89~0．60，P一0．

5、009)，buttherewasnostatisticaldifferencewithT1WIfat—suppressionenhancedimaging(2．33士0．71，P一0．169)．TheaveragescorefortemporalbasicimagingwaslowerthanthatofT1WIfat—suppressionenhancedim—aging(P一0．035)．Conclusion317)-HR—MRISAcouldinitiallyassessthehemodynamicsofhemangioma，whil

6、etheeffectofconventionalMRsequenceonthespectrumofhemangiomaisirreplaceable．[Keywords]Softtissue；Hemangioma；Magneticresonanceangiography三维高时间分辨率MR血管减影成像诊断四肢软组织血管瘤张禹，骆祥伟，莫子，李大圣，陈东，汤娜娜，朱友志(中国人民解放军第105医院放射科，安徽合肥230031)[摘要]目的探讨四肢软组织血管瘤的常规MRI表现，评价三维高时间分辨率磁共振血管减影成像(3D-HR—MRI—SA)诊

7、断该病的价值。方法对18例临床证实的四肢软组织血管瘤患者，采用3．0TMR机行常规MR平扫和增强扫描以及3DHR—MRISA，观察3D-HR—MRISA显示供血动脉和引流静脉的能力。以4分法(o～3分)评价各序列对瘤灶的辨认能力。结果18例中，16例单发，2例多发，共2O个病灶。17个瘤灶可见供血动脉，13个瘤灶可见引流静脉。脂肪抑制T2W1辨认瘤灶范围的累积评分(2．78±0．44)优于T1WI(1．67士1．00，P一0．013)、T2w1(2．33士0．5O，P一0．035)及3D-HR-MRISA原始图像(1．89±0．60，P一0

8、．OO9)，与脂肪抑制增强T1wI差异无统计学意义(2．33士0．71，P一0．169)，而脂肪抑制增强T1wI辨认瘤灶范围的能力优于3D-HR—MRISA原始图像(P一0．03