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目的:总结卵巢囊性畸胎瘤的声像图的认识及超声诊断的准确性。方法:对20例卵巢囊性畸胎瘤采用SONOS 200超声诊断仪、探头频率3.5MHz,受检者取仰卧位,并适度充盈膀胱,暴露耻骨联合以上部位,于下腹部做纵、横及斜向连续扫查,充分显示肿物的形态、大小、内部回声以及与子宫的关系。结果:20例卵巢囊性畸胎瘤均为单侧,左侧11例,右侧9例,直径在5cm～15cm不等,声像图检查内部混合性13例,类囊型4例,类实型2例,误诊1例。诊断符合率为95%。结论:卵巢囊性畸胎瘤采用B超检查价格低廉、简便、诊断迅速,故在卵巢囊性畸胎瘤诊断中应作为首选检查方法。
OBJECTIVE: To summarize the understanding of the sonography of ovarian cystic teratoma and the accuracy of ultrasonic diagnosis. Methods: 20 cases of ovarian cystic teratoma using SONOS 200 ultrasonic diagnostic apparatus, the probe frequency 3.5MHz, subjects were supine position, and the bladder filling moderate, exposing the pubic symphysis above the site, the lower abdomen do longitudinal, horizontal and oblique Continuous scan to fully display the shape of the tumor, size, internal echo and the relationship with the uterus. Results: Twenty ovarian cystic teratomas were unilateral, 11 on the left and 9 on the right, with diameters ranging from 5 cm to 15 cm. Thirteen cases were internal mixed and 4 cases were thylakoid Real type 2 cases, misdiagnosis in 1 case. The diagnostic coincidence rate was 95%. Conclusion: Ovarian cystic teratoma by B-ultrasound is cheap, simple and rapid diagnosis, it should be the first choice in the diagnosis of ovarian cystic teratoma.