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本文对11例外耳道圆柱瘤型腺癌的临床病理作了分析。此瘤呈局部浸润性生长,发展缓慢,局部切除和放射治疗的效果不佳,11例均复发,2例并有肺转移。病理学上,此瘤由肌上皮和腺管上皮两种细胞组成,并以不同比例混合,构成筛状型、管状型和实心型等形态结构,通常以前两型为主。根据这两种组成细胞和两种基本的组织形态,可对本病作出病理诊断。其病理类型与生物学特性未见明显关系。
This article analyzed the clinicopathology of 11 cases of ear canal tumor-type adenocarcinoma. The tumor showed local infiltrative growth, slow development, local excision and radiotherapy were not effective, 11 cases were relapsed, and 2 cases had pulmonary metastases. Pathologically, this tumor is composed of two types of cells: myoepithelial and ductal epithelium, and mixed in different proportions to form morphological structures such as sieve-like, tubular, and solid, usually preceded by two types. Based on these two types of cells and two basic types of tissue, pathological diagnosis of this disease can be made. No obvious relationship was found between its pathological type and biological characteristics.