混合瘤是唾液腺常见的良性肿瘤 ,由Ｂｉｌｌｒｏｔｈｅ于 1 85 9年首次描述 ,又名多形性腺瘤。该瘤发生于咽旁间隙者少见。我院于 1 996～ 2 0 0 1年收治 2例咽旁间隙巨大混合瘤 ,报告如下。例 1 　 女 ,5 4岁。 2个月前发现左耳垂下方肿块 ,无压痛。曾在当地卫生所就诊口服抗? Mixed tumor is a common benign tumor of salivary gland, first described by Billrothe in 1955, also known as pleomorphic adenoma. The tumor occurred in the parapharyngeal space is rare. Two cases of giant parapharyngeal mixed tumor were treated in our hospital from 1996 to 2001. The report is as follows. Example 1 female, 54 years old. 2 months ago, found under the left ear lobes mass, no tenderness. Have oral treatment at a local health clinic?