间皮瘤内既有梭形细胞又有饱满的圆形细胞

图示间皮瘤内既有梭形细胞又有饱满的圆形细胞，二者形成类似腺体的外形。在细胞学上很难诊断。
Mesotheliomas have either spindle cells or plump rounded cells forming gland-like configurations, as seen here at high power microscopically. They are very difficult to diagnose cytologically.