Peritoneal psammocarcinoma diagnosed by a Papanicolau smear: a case report.

Background: Serous psammocarcinoma is a rare variant of epithelial neoplasia that can arise from the ovaries or peritoneum. It is characterized by massive psammoma body formation, invasiveness and low grade cytologic features.

Case: A 70-year-old woman was admitted to our hospital; a bimanual examination with cervicovaginal smear was performed.