多形性腺癌是涎腺肿瘤中最常见疾病之一,本组资料为有完整记录和组织学确诊40例,其中部分有细胞学诊断误诊的教训。报告如下。1 一般资料本组40例多形性腺癌,全部有细胞学和病理组织学2种诊断。年龄18岁～45岁,女性18例,男性22例。腮腺区20例,颌下腺区10例,上鄂处5例,舌下腺区4例,颧弓处1例。无疼感。发生于硬颚肿块多不活动,韧感特别明显.多数栗子或 Polymorphic adenocarcinoma is one of the most common diseases in salivary gland tumors. The data in this group are recorded with complete records and histologically confirmed 40 cases, of which some have been diagnosed as misdiagnosis of cytology. The report is as follows. 1 General Information The group of 40 cases of pleomorphic adenocarcinoma, all with cytology and histopathology 2 diagnosis. Aged 18 years to 45 years old, 18 females, 22 males. 20 cases of parotid gland area, 10 cases of submandibular gland area, 5 cases of upper extremity, 4 cases of sublingual gland, 1 case of zygomatic arch. No pain. Occurs in the hard palate tumor more inactivity, particularly evident in toughness. Most chestnuts or