腮腺腺淋巴瘤的CT表现

CT diagnosis of adenolymphoma of the parotid gland

目的:探讨腮腺腺淋巴瘤的CT表现特点。方法:回顾性分析经手术及组织病理学证实的28例腮腺腺淋巴瘤患者的CT影像学特征,影像学分析包括病灶数目、部位、大小、形态、密度。男26例,女2例,平均年龄58岁。结果:病灶位于腮腺后下象限者18例;多发者10例;24例边界清楚;23例密度均匀,增强后强化CT值平均上升31～40 HU,5例密度不均,内见裂隙样或小囊状低密度灶。结论:腮腺腺淋巴瘤具有良性肿瘤的特点,好发于中老男性,病灶可多发,增强后血供较丰富。

Objective： To investigate CT manifestations of adenolymphoma of the parotid gland.Methods： CT characteristics of 28 cases with adenolymphoma confirmed surgically and pathologically were studied retrospectively.The number,location,size,shape and density of the main parameters studies.26 cases were male,while 2 cases were female,and the average age were 58 years old.Results： 18 cases were located in the posterior and inferior quadrant of the parotid gland.We can find mutiple lesions in 10 cases.24 cases had a clear boundray;the CT value of 23 cases increased on the average of 31-40 HU after enhancement.The density of 5 cases were uniform because of crack-like or small cystic-density lesion inside.Conclusion： Adenolymphoma of the parotid gland is the characteristic of benign tumor,and is the predilection to middle age male.It manifests mutiple lesions,and rich blood supply after enhancement.