8 -- 10 cm in diameter, the probability of lesion being neoplastic is high." Patients whose lesions are suggestive of malignancy (i.e. predominatly solid, relatively fixed or irregularly shaped) should undergo laparotomy, as should postmenopausal patients with complex adnexal masses of any size. In postmenopausal women with unilocular cysts measuring 8 to 10 cms or less and having normal serial CA 125 levels, expectant management is acceptable.">