Papillary serous carcinoma with low malignant potential, similar to those d
escribed in the ovary, can also originate in the peritoneum. Characteristic
ally they show peritoneal spread without involvement of the ovary and, if p
eritoneal cavity. Histologically they correspond to a low malignant potenti
al tumor; they are slow growing and have good prognosis. They are common in
young women, usually they present few symptoms and are frequently discover
ed during other surgical procedures. They treatment is surgical and it can
be conservative in cases of women who want to preserve their fertility, wit
hout coadyuvant therapy. We report a 34 years old woman with a primary peri
toneal serous carcinoma with low malignant potential and discuss its manage
ment.