CT:多位于腮腺浅叶的后部,可单侧或双侧,单发或多发。边缘清楚圆形或椭圆形,密度均匀或不均匀,可见囊变的低密度区。增强扫描呈中等度强化。3)② MRI T1WI为高信号,T2WI可为低、等或高信号,取决于其组织学成分。A . CT增强扫描横断面示左侧腮腺浅叶肿物,边缘清楚,不均匀强化,内可见低密度区,边缘及分隔可见强化。C、D . MRI增强扫描横断面、冠状面示肿物实性部分及分隔明显强化,囊变区无强化.腺淋巴瘤(Warthin tumor)又称乳头状淋巴囊腺瘤、Warthin瘤,为常见的腮腺良性肿瘤,约占 ......