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| Ultrsonographic appearances of ovarian thecoma and diagnosis analysis |
| WANG Guanjie CAO Yunyun GONG Xiaoping WANG Haifei YANG Tian KONG Xiaoxiao WANG Yamei NIU Jianmei▲ |
| Department of Ultrasound, International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200230, China |
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Abstract Objective To study ultrasonographic appearances and clinical features of ovarian thecoma, in order to raise its diagnosis rate. Methods From January 2015 to October 2016, in International Peace Maternity and Child Health Hospital, the clinical related data and ultrasonographic appeareaces of 47 patients with ovarian thecoma proved by pathology were retrospectively analyzed. Results 95.7% (45/47) of all the tumors were unilateral lesions (26 cases were on the left, 19 cases were on the right). 72.3% (34/47) of the patients showed no obviously clinical symptoms. 86.7% tumors appeared hypoechoic echo. 51.1% (23/45) of the tumor boundaries appeared unclearly or indistinctly. Posterior echo attenuation rate was 44.4% (20/45). Color doppler flow imaging showed that the blood flow signal could be detected in 37.8% (17/45) tumors. The ultrasound detection rate was 95.7% (45/47). Positioning accuracy rate was 100.0% (45/45). Misdiagnosis rate was 17.8% (8/45). Missed diagnosis rate was 4.3% (2/47). The clinical symptoms of the tumor were not specific and could be misdiagnosed as out projecting uterine myoma, ovarian fibroma or malignancy ovaria tumor. Conclusion By mastering the ultrasonographic appearances and clinical characteristics of ovarian thecoma, it is expected to improve the accuracy of ultrasound diagnosis and reduce missed diagnosis and misdiagnosis.
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