Ovarian tumours: a study of 282 cases

Histologically 282 ovarian tumours were studied, of these 212 (75.2%) were benign, 8 (2.8%) of borderline malignancy and 62 (21.9%) were malignant. The tumours were classified according to WHO classification. Epithelial tumours were the commonest variety constituting 70.9% of all the ovarian tumours followed by germ cell tumours (21.2%), sex cord stromal tumours (6.7%) and metastatic tumours (0.7%). Among the individual tumours, serous tumours (42.9%) were the commonest, followed by mucinous tumours (25.5%), teratomas (17%), granulosa cell tumours (6.7%), dysgerminomas (2.48%) and endodermal sinus tumours (1.77%). Two cases (0.7%) of endometrioid carcinomas and one case (0.35%) of clear cell carcinoma were encountered. Ovarian tumours were found to occur in the age range of 8 months to 74 years. Peak incidence was between 21 and 40 years age group.