Martínez-Madrigal F, Santiago Payán H, Meneses A, Domínguez Malagón H, Rojas M E
Department of Pathology, Hospital General Dr. Miguel Silva, Morelia Mich. Mexico.
Hum Pathol. 1995 Jul;26(7):802-4. doi: 10.1016/0046-8177(95)90231-7.
The first case of plasmacytoid myoepithelioma of the laryngeal region is presented. The tumor showed immunoreactivity for the S-100 protein, low molecular weight cytokeratin, and vimentin. Staining was negative with muscular actin and glial fibrillar acid protein. By electron microscopy the tumor cells showed abundant microfibrillar material, elongated densities resembling smooth muscle dense bodies, pinocytic vesicles, and replicated basal lamina. The myoepithelial nature of plasmacytoid tumors of the salivary gland has been questioned.
本文报道了首例喉部浆细胞样肌上皮瘤。该肿瘤对S-100蛋白、低分子量细胞角蛋白和波形蛋白呈免疫反应性。肌肉肌动蛋白和胶质纤维酸性蛋白染色为阴性。电镜下肿瘤细胞可见丰富的微原纤维物质、类似平滑肌致密小体的细长致密物、吞饮小泡和复制的基底膜。涎腺浆细胞样肿瘤的肌上皮性质一直存在争议。
