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目的探讨产前超声诊断胎儿单纯腭裂的临床价值及相关病例分析。方法 “经口裂斜冠状切面”对16 535例胎儿腭进行扫查,显示硬腭及软腭并分析超声声像图特征;回顾分析产前诊断单纯腭裂22例胎儿腭部超声声像图特征及全身伴发畸形情况。结果 14 550例腭正常胎儿超声均能显示硬腭及软腭(88.0%):硬腭“条形强回声”及软腭“平行等号”征象均清晰显示。22例单纯腭裂病例中硬腭“条形强回声”及软腭“平行等号征”中断22例(100%),显示犁骨19例(86.4%)。(引)产后证实21例存在单纯腭裂,15例全身伴发畸形(71.4%):心血管系统9例(60.0%)、中枢神经系统9例(60.0%)、颜面部8例(53.3%)、泌尿系统3例(20.0%)。结论产前超声“经口裂斜冠状切面”能较好显示胎儿腭;胎儿单纯腭裂多有全身伴发畸形,发现胎儿异常时增加“经口裂斜冠状切面”能提高单纯腭裂检出率。
Objective To investigate the clinical value of prenatal ultrasound in the diagnosis of fetal cleft palate and related case analysis. METHODS: Totally 16 535 fetal palats were scanned with the cleft lip and coronal plane to display the hard palate and soft palate and to analyze the ultrasonographic features. The characteristics of prenatal diagnosis of palatal ultrasonography in 22 cases of pure cleft palate were retrospectively analyzed And systemic abnormalities. RESULTS: Hard palate and soft palate (88.0%) were visualized in 14 550 cases of normal palatal fetus: the hard palate “bar echo” and the soft palate “parallels sign” were clearly shown. Twenty-two cases (100%) of 22 palatal cleft palate “bar hyperechoic ” and soft palate “parallel sign ” were interrupted. There were 9 patients (60.0%) in the cardiovascular system, 9 (60.0%) in the central nervous system, 8 (53.3%) in the facial area, , Urinary system in 3 cases (20.0%). Conclusion Prenatal ultrasound “cleft lip coronal section ” can better show fetal palate; fetus cleft palate more common with abnormalities and found that an abnormal increase in the fetus “cleft lip coronal section” can improve the cleft palate The detection rate.