原发性气管软管肉瘤

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1、原发性气管软管肉瘤(Primarytrachealchondrosarcoma)CT病例图片影像诊断分析【临床病史】：患者，69岁男性发现上纵隔肿块。69-year-oldmalefoundtohaveasuperiormediastinalmass.fvk影像园XCTMR.com【影像图片】CT图像fvk影像园XCTMR.com fvk影像园XCTMR.comfvk影像园XCTMR.com【影像表现】：fvk影像园XCTMR.comOnthecontrast-enhancedCTofthechest,thereisaheterogen

2、eousmassarisingfromtheleftlateralwallofthetrachea.Themassdemonstratesextratrachealextensionaswellasextensionintothetracheallumen.(Figure1andFigure2).Themassalsocontainsinternalcalcifications(arrows),representingchondroidmatrixmineralization(Figure3andFigure4).fvk影像园XCTMR

3、.com胸部增强扫描示气管左侧壁发出一不均质的肿块影，肿块向气管内外扩展（图1、2）。其内可见钙化影（箭头），代表软骨基质的钙化（图3、4）。fvk影像园XCTMR.comfvk影像园XCTMR.comfvk影像园XCTMR.com【影像诊断】：Primarytrachealchondrosarcoma原发性气管软管肉瘤fvk影像园XCTMR.com【诊断要点】：Tracheobronchialtumorsareveryrareandaccountforonly<0.4%ofallbodytumors. Primarymalignant

4、tracheobronchialtumorsarealsouncommonandaccountfor<1%ofallmalignantthoracicmasses.气管肿瘤非常少见，不到全身肿瘤的0.4％。原发恶性气管肿瘤同样少见，不到胸部恶性肿瘤的1％；fvk影像园XCTMR.com   Themostcommonprimarymalignanttumorofthetracheobronchialtreeissquamouscellcarcinoma.最常见的气管支气管树原发恶性肿瘤是鳞状细胞癌；fvk影像园XCTMR.com   T

5、rachealchondrosarcomasareextremelyrareandonly15caseshavebeenreportedintheliterature.气管软骨肉瘤是极其少见的，文献报道仅有15例。【讨论】：Tracheobronchialtumorsareveryrareandaccountforonly<0.4%ofallbodytumors.Tracheobronchialtumorscanbecategorizedintoprimarymalignant,secondarymalignant,orbenigntu

6、mors.Themostcommonprimarymalignanttumorissquamouscellcarcinoma,withthesecondmostcommonbeingadenoidcysticcarcinomaarisingfromthesalivaryglands.Secondarymalignanttumorscanoccurbyhematogenousspreadordirectinvasion.fvk影像园XCTMR.com   气管肿瘤是非常少见的，不到全身肿瘤的0.4％。气管肿瘤可以被分为原发性恶性肿瘤、继发

7、性恶性肿瘤或良性肿瘤。最常见的的原发恶性肿瘤是鳞状细胞癌，其次是起源于唾液腺的腺样囊腺癌。继发的恶性肿瘤可以是血行转移或直接侵犯而来。fvk影像园XCTMR.comfvk影像园XCTMR.com   Primarythoracicsarcomasareextremelyrareandincludechondrosarcoma,synovialsarcoma,andfibrosarcoma.Thesetumorsusuallymanifestasendoluminaltrachealmasses.fvk影像园XCTMR.com   原发的

8、胸廓肉瘤是非常少见的，包括软骨肉瘤、滑膜肉瘤和纤维肉瘤。这些肿瘤通常表现为气管腔内肿块。fvk影像园XCTMR.comfvk影像园XCTMR.com   Only15casesoftrachealchond