THE INCIDENCE OF UNEXPECTED CONTRALATERAL INVOLVEMENT OF EARLY STAGE EPITHELIAL OVARIAN CANCER

Frozen section was used in 35% of cases. Diagnosis obtained by laparoscopy was benign in 294 cases (94%), suspicious in 1 case (0.3%) and OC (þBL) in 18 patients (5.7%). Final pathology was bengn in 294 cases, and showed BL or OC in 19 cases (stage I: 14, stage II: 2, stage III: 3). RMI had a sensitivity (Se) of 62.5% and a specificity (Sp) of 93.2%. Laparoscopy provided a Se of 84.2% and a Sp of 99%. All 3 false negative cases were borderline lesions. Frozen section respectively gave Se 87.5% and Sp 97.8%. Errors mainly occurredwith borderline lesions. 3minor per-operative complications were recorded (1%). No portsite metastasis occurred. Laparoscopy provides a high specificity for the diagnosis of early OC, with an acceptable morbidity. Borderline lesions are more difficult to recognize by laparoscopy as well as by frozen section.