Imaging of gynecological disease (6): clinical and ultrasound characteristics of ovarian dysgerminoma.

Objectives: To describe the clinical history and ultrasound findings in patients with ovarian dysgerminoma.

Methods: This was a retrospective study of patients with a histological diagnosis of ovarian dysgerminoma who had undergone preoperative ultrasound examination. The patients were identified from the databases of 11 ultrasound centers.

Imaging of gynecological disease (2): clinical and ultrasound characteristics of Sertoli cell tumors, Sertoli-Leydig cell tumors and Leydig cell tumors.

Objective: To describe the clinical history and ultrasound findings in women with ovarian Sertoli cell, Sertoli-Leydig cell and Leydig cell tumors.

Methods: Women with a histological diagnosis of Sertoli cell tumor, Sertoli-Leydig cell tumor or Leydig cell tumor who had undergone preoperative ultrasound examination were identified from the databases of each of three participating ultrasound centers. The tumors were characterized on the basis of ultrasound images, ultrasound reports and research protocols (when applicable) using the terms and definitions published by the International Ovarian Tumor Analysis (IOTA) group.