腮腺腺淋巴瘤的多层螺旋CT诊断  

The MSCT Diagnosis of Parotid Adenolymphomas

作　　者：燕军[1] 李吉臣[1] 黄冬青[1] 邓昆[1] 

机构地区：[1]泰山医学院附属聊城市第二人民医院CT室,山东临清252600

出　　处：《中国医学影像学杂志》2011年第10期744-747,共4页Chinese Journal of Medical Imaging

摘　　要：目的探讨腮腺腺淋巴瘤的多层螺旋CT(MSCT)表现,提高对本病的认识。资料与方法回顾性分析经手术病理证实的16例腮腺腺淋巴瘤患者的临床及CT表现。结果 16例腮腺腺淋巴瘤患者全部为男性吸烟者,16例患者共发现18个肿瘤(其中单侧单发14例,单侧多发1例2个病灶,双侧多发1例2个病灶)。肿瘤居腮腺后下象限13例15个病灶,非后下象限3例3个病灶。肿瘤呈圆形、椭圆形或分叶状软组织肿块,囊实性或实性,边缘光整;增强后表现为动脉期明显强化,CT值>100Hu,平均增加约64Hu,静脉期密度减低。14个肿瘤边缘可见贴边血管影。结论腮腺腺淋巴瘤有一定的影像特点,测量肿瘤动脉期强化后的CT值>100Hu和肿瘤边缘贴边血管影显示对于诊断腮腺腺淋巴瘤具有重要价值。Purpose To investigate the MSCT manifestations of parotid.Materials and Methods The CT characteristics of 16 cases with operation and pathology confirmed adenolymphomas were reviewe.Results All 16 patients were male with history of smokingt.A total of 18 lesions were found including 14 solitary and 2 multiple lesions.15 adenolymphoma located in the posterior and inferior quadrant of the parotid gland.On MSCT,lesions were round,oval or lobulated in shape,cystic or cystosolid and well-defined.Most adenolymphomas showed strong enhancement in arterial phase（〉100Hu,mean increase=64Hu） with decreased attenuation in venous phase after contrast administration.Vascular notch sign was present in 14 lesions.Conclusion Adenolymphoma of the parotid has certain clinical and imaging characteristics.CT value above 100Hu in the arterial phase after contrast administration and the vascular notch around the tumor support the diagnosis of adenolymphomas.

关 键 词：腮腺肿瘤 淋巴瘤 体层摄影术 螺旋计算机 

分 类 号：R739.870.454[医药卫生—肿瘤]