Spontaneous rupture of a mucinous cystic neoplasm of the liver resulting in a huge biloma in a pregnant woman: A case report

Figure 3 Mucinous cystic neoplasm. A: Cystic spaces lined by single-layered columnar mucus-secreting epithelium without cytological atypia (arrow). The epithelium is surrounded by dense ovarian-type stroma (Star) (20×, haematoxylin and eosin stain); B: Progesterone receptors are expressed in dense, ovarian-type stroma (Star) (10× progesterone).