資源描述：
《磁共振成像對(duì)軟組織腫瘤的診斷》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在工程資料-天天文庫(kù)。
1、磁共振成像對(duì)軟組織腫瘤的診斷作者：王寧，馬紅強(qiáng)，許洋，張林醫(yī)，崔現(xiàn)成【摘?！磕康奶接慚RI對(duì)軟組織腫瘤的診斷價(jià)值。方法回顧性分析2002—2006年經(jīng)手術(shù)病理或穿刺證實(shí)的軟組織腫瘤160例的MRI資料，男98例，女62例；年齡3?75歲，平均32歲；臨床均以軟組織腫脹、腫塊伴或不伴疼痛為主要征象。采用PhiipsGyroscanIntera15TmasterMR機(jī)，表面線圈、E線圈、Cl線圈，采用快速自旋回波序列，脂肪抑制序列，矢狀位、冠狀位及橫斷位掃描及增強(qiáng)掃描，160例軟組織腫瘤中，良性120
2、例，其中脂肪瘤30例，肌肉血管瘤25例，腱鞘巨細(xì)胞瘤30例，神經(jīng)源性腫瘤20例，硬纖維瘤15例;軟組織惡性腫瘤40例，其中脂肪肉瘤16例，惡性纖維組織細(xì)胞瘤11例，平滑肌肉瘤6例，纖維肉瘤3例，淋巴瘤2例，黑色素瘤2例。結(jié)果良性腫瘤直徑為1?16cm,邊緣光滑、規(guī)則，信號(hào)均勻，增強(qiáng)均勻強(qiáng)化或不強(qiáng)化；惡性腫瘤直徑5?12cm,形態(tài)不規(guī)則，多呈分葉狀，信號(hào)不均勻，累及周?chē)Y(jié)構(gòu)，強(qiáng)化明顯且不均勻。結(jié)論MRI對(duì)軟組織腫瘤檢查敏感性高，腫瘤的發(fā)病部位及某些特征有助于診斷及鑒別診斷，對(duì)脂肪瘤及黑色素瘤的診斷有
3、特異性?！娟P(guān)鍵詞】磁共振成像；軟組織腫瘤；診斷Abstract:ObjectiveToinvestigatethediagnosticvalueofmagneticresonanceimaging(MRI)inthetumorofsofttissue?MethodsAtotalof160patients[98malesand62females;meanage32years(agerange3~75)]withsofttissuetumorconfirmedbypathologicalfinding
4、swereadmittedtothehospitalfromtheyearof2002to2007?Themainclinicalmanifestationsweresofttissueswellingandmasswithorwithoutpain.AllthepatientwereexamedwithMRI(PhilipsGyroscanIntera15Tmaster),SurfaceCoil,ECoilandClCo訂.MRIexaminationwasperformedbyFastspin
5、echo(FSE)sequences,fatinhibitionsequences,andcoronal,sagittalandaxialplanes?Ofthe160cases,therewere30withlipoma,25withmusclevasculartumor,30withgiantcelltumoroftendonsheath,20withneuraltumor,15withfibroustumorand40withmalignanttumorincluding16withlipo
6、sarcoma,11withmalignantfibroushistiocytoma,6withleiomyosarcoma,3withfibrosarcomas,2with1ymphomaand2withmelanoma?ResultsThebenigntumorswas1~16cmindiameter,andsmoothandregularinshape,withahomogeneousdensitywithunifonnenhancementorwithoutenhancement?Them
7、alignanttumorswas5-12cmindiameter,andirregularandlobularinshape,withheterogeneousdensity,peritumorinfi1trationandobviousandheterogeneousenhancement?ConclusionMRIishighlysensitivetosofttissuetumors.Thelocationandsomecharacteristicsignsarehelpfulfordiag
8、nosisanddifferentiation,especiallyforthediagnosisoflipomaandmelanoma.Keywords:magneticresonanceimaging;softtissuetumor;diagnosis軟組織腫瘤手術(shù)前判斷其良、惡性非常重耍。在MRI技術(shù)出現(xiàn)前,對(duì)軟組織病變臨床大多采用X線片、CT、或超聲檢查作為影像學(xué)的診斷依據(jù)，但由于它們對(duì)軟組織分辨率差，所以軟組織腫瘤的檢出率低,隨著MRT技術(shù)的普及和掃描序列的成熟，MRT技
