besides , it showed a high number of plasma cells secreting iga in the stroma of the 2 tumours , the ultrastructural study performed on the epithelioma also demonstrated some similarities between epitheliomatous cells and epithelial cells of cystadenolymphomas ( outlined epidermoid or glandular differentiation , numerous mitochondria ) .
C0007097
epithelioma
C0014597
epithelial cells