mucinous cystadenoma ovary

Mucinous cystadenoma – Ovary

Gross: These tumors are usually large in size and are often multiloculated. The external surface will be smooth and can be bosselated. They are filled with mucodd or jelly like fluid which is usually sticky in nature.
Microscopy: multiloculated cysts, lined by tall columnar epithelium with apical mucin. Cilia are not present. The epithelium can be of two types
a. Gastric /intestinal type – this is most common. They have numerous goblet cells
b. Endocervical type: resembling endocervical lining epithelium