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ID:9215671
大小:441.59 KB
页数:4页
时间:2018-04-23
《口咽部恶性肿瘤的ct和mri诊断》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据墼盟堂塞堕!塑!至!旦筮!!鲞笙!塑星!!型里翌型竺!垒坚!!!!!∑!!塾!型!:!口咽部恶性肿瘤的CT和MRI诊断头颈部影像学李莉,何惠玲,郭少冰【摘要】目的:探讨CT和MRI对口咽恶性肿瘤的诊断价值,了解口咽癌及口咽恶性淋巴瘤的诊断及鉴别诊断要点。方法:搜集42例经病理证实的口咽恶性肿瘤资料,对口咽癌与口咽恶性淋巴瘤的CT和MRl征象进行分析,并对结果进行统计学处理。结果:13'咽癌26例。恶性淋巴瘤16例。26倒口咽癌均为单侧发病,20例形态不规则,17例边界不清,其中13例侵犯邻近结构
2、,18例密度(信号)不均>--j,内可见囊变或坏死区;增强后19例明显不均匀强化。16例淋巴瘤中,3例为双侧发病,11例形态规则,13例边界清楚,12例密度(信号)均匀,增强后12例轻中度强化。口咽癌与口咽恶性淋巴瘤在形态、边界及侵犯邻近结构、密度(信号)、强化程度等方面(P<0.05)差异有统计学意义。26例口咽癌中有15例发现颈部淋巴结转移,单侧转移lO例.双侧转移5例;口咽恶性淋巴瘤中9例合并颈部淋巴结肿大,其中单侧肿大6例,双侧肿大3例。结论:口咽癌与口咽恶性淋巴瘤CT和MRI表现具有一定特征性
3、,CT和MR]结合可以提高病变诊断准确性,从而为临床治疗提供帮助。【关键词1口咽肿瘤;淋巴瘤;体层摄影术,X线计算机;磁共振成像【中图分类号1R445.2;R814.42;R739.8【文献标识码】A【文章编号11000-0313(2009)08—0838—04CTandMRIDiagnosisofOropharyngealMalignantTumorsLILi,HEHui—ling,GUOShao—bing.DepartmentofCTandMRI,PanyuPeople’sHospital,Guan
4、gzhou511400,P.R.China[Abstract]Objective:TostudytheroleofCTandMRIindiagnosingoropharyngealmalignanttumoranddiscussthekeypointsinthediagnosisanddifferentiationoforopharyngealcarcinoma(OC)and[ymphoma.Methods:42caseswithpathologically-provedoropharyngealmal
5、ignanttumorswerecollected,CTandMRIsignsofOCandlymphomawereana—lyzed.Results:All26casesofOCwereunilateral,inwhich20casesshowedirregularshape,17casesshowedavaguemarginand13casesshowedinvasiontosurroundingstructures.Inhomogeneousdensity(signal)wasseenin18ca
6、sesandmarkedenhancementwasobservedin19cases.Ofthe16caseswithlymphoma,3caseswerebilateral。11casesshowedregularshape,and13caseswerewell—definedmasses.Homogenousdensity(signal)wasseenin12casesandmildormoderateen—hancementwasobservedin12cases.Therewassignifi
7、cantdifferenceintheborder,morphology,density(signal)andell—hancementpatternbetweenlymphomaandcarcinoma.Among26casesofOC,15casesshowedcervicallymphnodesmetas—tasiswithunilateralin10casesandbilateralin5cases,9casesshowedcervicallymphnodesenlargementinlymph
8、oma,withunilateralin6casesandbilateralin3cases.Conclusion:CTandMRIimagingcanrevealcharacteristicsofOCandlympho—ma,thecombinationofCTandMRIcouldimprovethediagnosticaccuracyofthelesionandprovideinformationhelpfulforclinicalm
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