颈部罕见巨大涎腺多形性腺瘤1例

涎腺多形性腺瘤（pleomorphic adenoma）又称涎腺混合瘤（mixedtumor），是最常见的涎腺上皮肿瘤，其中80％～90％发生于腮腺，其次为下颌下腺和舌下腺。虽然绝大多数为良性，但仍有恶变倾向，其恶变率为2％～9％啦’。可发生于任何年龄段，以30～50岁最多见，女性多于男性。现报告1例巨大涎腺多形性腺瘤如下。

Rare giant salivary gland pleomorphic adenoma on the neck

The patient has found his neck mass for more than 30 years,and the neck mass has slowly growed into giant tumor. Five days ago, the neck giant mass suddenly burst, hemorrhage and overflow liquid. The giant mass with irregular in shape, surface uneven, skin highly tension and superficial venous engorgement, was seen in left lateral neck. CT scan demonstrates a mixture of solid, cystic and lobulated mass shadow within subcutaneous fat spaces of left lateral neck. Postoperative pathological examination proved that it is salivary gland pleomorphic adenoma.