发生于鼻咽部的浆细胞瘤较少见。本院收治3例,报告如下。临床资料(见附表) 镜下所见:瘤细胞由不同分化程度的浆细胞构成,大部份分化较好,似成熟浆细胞,部分分化较差.体积较大,胞浆较宽广,嗜碱性,胞核大,部分核中心位,部分核呈偏心性,核仁明显。核分裂相易见,还可见双核,四核瘤细胞。间质少,内有薄壁的血管. Occurrence of plasmacytoma in the nasopharynx is rare. The hospital received 3 cases and the report is as follows. Clinical data (see attached table) Seen from the microscope: The tumor cells are composed of plasma cells with different degrees of differentiation, most of them are well differentiated, like mature plasma cells, and some of them are poorly differentiated. Larger in size, broader in cytoplasm, addicted Alkaline, large nucleus, partial nuclear center, partial nuclear eccentricity, obvious nucleoli. The mitosis is easy to see, but also binuclear, tetranuclear tumor cells. There is less interstitial and there are thin-walled blood vessels.