Figure 3From: Primary retroperitoneal mucinous cystadenoma with borderline malignancy in a male patient: a case reportSingle layer of tall columnar epithelium arising stratified epithelium without invasion. The component cells are mucinous-type with moderate cytological atypia. Hematoxylin and eosin staining; original magnification x100 for the biggest microphotography and x400 for the other.Back to article page