Results: Of 23 mixed parotid tumor,all had well-defined margin and higher density than that of the normal parotid gland,16 were round or elliptical in shape,the other 7 were lobulated.

• 结果:23例均表现为边缘清楚的肿块,圆形、卵圆形16例,分叶7例,密度高于腮腺,较均匀14例,不均匀9例。