OVARIAN CANCER
OVARIAN CANCER
OVARIANTUMOURSDefinitionOvarian tumors may arise at any age,but are commonest between 30 and 60.1.Ovarian tumors are particularly liable to beor to become malignant2.Intheir early stagestheyareasymptomatic and painless.3.They may grow to a large size and tend toundergo mechanical complications such astorsion and perforation.2003-10-27OvarianCancer
2003-10-27 Ovarian Cancer 2 Definition Ovarian tumors may arise at any age, but are commonest between 30 and 60. 1.Ovarian tumors are particularly liable to be or to become malignant. 2.In their early stages they are asymptomatic and painless. 3.They may grow to a large size and tend to undergo mechanical complications such as torsion and perforation. OVARIAN TUMOURS
CARCINOMAOFTHEOVARYDefinitionIn developed countries, women have alifetime risk of developing ovarian cancerof about 1.4%, which is slightly greaterthan the risk of cervical or endometrialcancers, but well below the 7% averagerisk of breast cancer.2003-10-27OvarianCancer
2003-10-27 Ovarian Cancer 3 Definition In developed countries，women have a lifetime risk of developing ovarian cancer of about 1.4%，which is slightly greater than the risk of cervical or endometrial cancers, but well below the 7% average risk of breast cancer． CARCINOMA OF THE OVARY
CARCINOMAOFTHE OVARYRiskFactorGenetic factor are sometimes involvedas in the Lynch Syndrome of familialbreast colorectal and ovariancancer. Ovulation induction withClomiphene over more than year carries aO-fold increased risk of ovarian cancerLong-term ora1 contraceptive use reducesthe incidence of ovarian cancers.2003-10-27OvarianCancer
2003-10-27 Ovarian Cancer 4 Risk Factor Genetic factor are sometimes involved、 as in the Lynch Syndrome of familial breast colorectal and ovarian cancer．Ovulation induction with Clomiphene over more than year carries a l0-fold increased risk of ovarian cancer, Long-term ora1 contraceptive use reduces the incidence of ovarian cancers． CARCINOMA OF THE OVARY
CARCINOMA OFTHE OVARYIncidenceNearly 25% of all ovarian neoplasmare malignant. Approximately 80%of them are primary growths of theovary、 the remainder beingsecondary, usually carcinomata.2003-10-27OvarianCancer
2003-10-27 Ovarian Cancer 5 Incidence Nearly 25% of all ovarian neoplasm are malignant．Approximately 80％ of them are primary growths of the ovary、the remainder being secondary，usually carcinomata． CARCINOMA OF THE OVARY