腺样囊腺癌常见于涎腺和呼吸道粘膜的腺体,发生在外耳道者实属罕见,我院1977～1978年中曾收治4例,报道如下: 讨论一.腺样囊腺癌又称“园柱瘤”,可直接来自盯咛腺,也可由腮腺衍生而来。其特点是:呈皮下浸润,无明显包膜,与周围组织界 Adenoid cystadenocarcinoma is common in the glands of the parotid glands and respiratory tract mucosa. Occurrences in the external auditory canal are rare. In our hospital from 1977 to 1978, 4 cases were reported. The report is as follows: Discussion 1. Adenoid cystadenocarcinoma, also known as “ ”Cavity column tumor" can come directly from the eye glands, but also from the parotid gland derived. Its characteristics are: subcutaneous infiltration, no obvious capsule, and the surrounding tissue