The ultrasoundcharacteristics of ovarian dysgerminoma
2018
Objective
To explore the sonographic features of ovarian dysgerminoma and to evaluate the value of ultrasound in the diagnosis of ovarian dysgerminoma.
Methods
Between June 2012 and July 2017, 21 patients had surgically confirmed ovarian dysgerminoma in Pecking Union Medical College Hospital. The twenty-two lesions′ sonographic features and the Patients′ clinical characteristics were reviewed.
Results
Twenty-twoprimary lesions from 21 patients were sized 4.2-16.0 cm in meanand the median mean diameter was 11.4 cm, manifesting as well-defined mass. Half of the lesions were round (11/22) and half of the lesions were lobulated (11/22). The internal echo was mostly hypoechoic and heterogeneous, contained hyperechoic, anechoic or calcified components. Blood supplies of solid components were mainly rich with low resistance. Postoperative metastasis occurred in three cases, including one case of massive pelvic effusion and two cases of enlarged retroperitoneal lymph nodes in ultrasound. Three of them were diagnosed of chromosomal abnormalities in gene test. Elevated serum level of human chorionic gonadotropin (hCG) was observed in all patients, ranging from 6.3 to 3800.5 IU/L.
Conclusions
Patients with ovarian dysgerminoma were mainly of youth age. Ovariandysgerminoma have obvious ultrasonographic characteristics. Combined with serum hCG level, the accuracy of diagnosis could be improved.
Key words:
Ultrasonography; Ovarian dysgerminoma; Swyer syndrome
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