腮腺腺淋巴瘤的CT表现  

CT features of parotid adenolymphoma

作　　者：沈训泽[1] 汪焱开 李敏[3] 

机构地区：[1]绍兴市人民医院放射科,浙江绍兴312000 [2]浙江省长兴县人民医院五官科 [3]浙江省绍兴市人民医院口腔科

出　　处：《实用放射学杂志》2012年第3期355-357,共3页Journal of Practical Radiology

摘　　要：目的 探讨腮腺腺淋巴瘤的CT表现特点.方法 回顾性分析经手术病理学证实的腮腺腺淋巴瘤患者23 例.观察病灶数目、部位、大小、形态、密度、增强特征.结果 23例患者,26 个病灶,1例单侧2个病灶,2例双侧各1个病灶;病灶位于下颌角旁21个; 23个病灶边缘清楚,病灶大小0.5~4.2 cm,18个病灶密度均匀,其中1例囊变,平均CT 值44.2 HU,8个病灶密度欠均,均有不同程度的囊变.结论 55岁以上男性患者,CT显示腮腺下颌角区病灶,边界光整,囊变,增强扫描病灶实性部分强化明显,应考虑腮腺腺淋巴瘤可能.Objective To investigate CT characteristics of adenolymphomas of the parotid gland. Methods CT characteristics of 23 cases （26 lesions） with adenolymphomas of parotid gland confirmed by pathology were studied retrospectively. They were 22 men and 1 woman ranging in age 44-80 years （mean age 62.3） . Imaging characteristics included the number , position ,size, shape, density and the features of enhanced scan of the lesions were analysed. Results 26 lesions were found, and among which 21 lesions were located near the mandibular angle. Multiple or bilateral adenolymphomas were found in 3 patients. The margins in 23 lesions were well defined. The sizes of the lesions ranged in 0.5-4.2 cm. The density was homogeneous in 18 lesions,one case accompanied with cystic degeneration,the other 8 lesions with unhomogeneous density accompanied with cystic degeneration in different degree, and the mean CT value of the solid lesions was 44.2 HU. Conclusion Adenolymphomas of the parotid gland should be first considered in the patient over 55 years in men having the lesions located near the mandibular angle of the mandible with well defined mar gin, cystic change and obvious enhancement within the solid portion after administration of contrast medium, especially when the lesions are multiple or bilaterally located.

关 键 词：腮腺 腺淋巴瘤 体层摄影术 X线计算机 

分 类 号：R739.91[医药卫生—肿瘤] R814.42[医药卫生—临床医学]