Accuracy of Transvaginal Ultrasound in the Diagnosis of Intrauterine Lesions.

Objective:  To evaluate the accuracy of transvaginal ultrasound in the diagnosis of intrauterine lesions, using hysteroscopy as the gold standard.

Methods:  This was a prospective observational study with 307 patients. All patients underwent hysteroscopy after a previous transvaginal ultrasound to compare the results.