Diagnosis of ovarian tumors by sonography

A retrospective study was carried out in 406 cases to analyse ultrasound feature of ovarian tumor and compared with pathological specimen. The aim is to suggest a new classification of ovarian tumors in ultrasonography. According to the pathological reports the ovarian tumors were divided into five groups, and found out the ultrasonographic characteristic feature of benign or malignant. The results showed that the new classification of ovarian tumor has a better method. The diagnostic accurate rate is 90.9%. In addition, we described the characteristic feature of five groups of ovarian tumors by sonography and discussed the role in early diagnosis of malignant ovarian tumors and improvement five year survival rate.