Imaging in gynecological disease (8): ultrasound characteristics of recurrent borderline ovarian tumors

Objectives. To describe the sonographic characteristics of borderline ovarian tumor (BOT) recurrence. Methods. From the databases of five ultrasound centers, we retrospectively identified 68 patients with a histological diagnosis of recurrent BOT who had undergone pre-operative ultrasound examination. All recurrences were detected during planned follow-up ultrasound examinations. Recurrent lesions were described using the terms and definitions of the International Ovarian Tumor Analysis (IOTA) group. Results. Sixty-two patients had a serous BOT recurrence and six patients had a mucinous BOT recurrence. All patients except one were premenopausal, 84% of them being