The solid hypoechoic area of the subcutaneous tissues of maxillofacial region is 14.6 mm × 10.4 mm and covered with a capsule. The boundary is clear and the shape is regular.
The specimen for pathological examination contains one mass. The size of mass is 1.2 × 1 × 1 cm, the color is gray red and the capsule is complete. (Parotid gland) favor a diagnosis of pleomorphic adenoma. The lesion contains abundant cells without a clear limit out of the surrounding tissue.
颌面部所指处皮下见实质性低回声区14.6 mm × 10.4 mm, 边界清, 有包膜, 形态规则。
肿块一枚, 大小1.2*1*1 cm, 灰红色, 包膜完整。(腮腺)多形性腺瘤, 细胞丰富, 与周围组织分界不清。