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Bài viết tập trung mô tả hình ảnh siêu âm và kết quả di truyền mẫu dịch ối nhằm tiên lượng kết cục thai kỳ những trường hợp dị dạng bạch mạch dạng nang. Đối tượng và phương pháp nghiên cứu: Thiết kế mô tả theo dõi dọc 200 thai phụ được siêu âm hội chẩn trước sinh với chẩn đoán thai dị dạng bạch mạch dạng nang tại Trung tâm CĐTS - Bệnh viện phụ sản Trung Ương từ tháng 01/202 - 07/2022. | Vietnam Journal of Community Medicine Vol 64 Special Issue 2023 252-258 INSTITUTE OF COMMUNITY HEALTH ULTRASOUND FINDINGS AND PROGNOSIS FACTORS IN PRENATAL DIAGNOSIS OF CYSTIC HYGROMA Tran Danh Cuong1 Nguyen Xuan Sang2 National Hospital of Obstetrics and Gynecology - 43 Trang Thi Hoan Kiem Hanoi Vietnam 1 2 Hanoi Medical University - No.1 Ton That Tung Dong Da Hanoi Vietnam Received 13 03 2023 Revised 12 04 2023 Accepted 10 05 2023 ABSTRACT Objectives To describe ultrasound characteristics and results of the amniocentesis analysis to predict pregnancy outcomes in cases of Hygroma Kystique. Materials and methods A cohort study of 200 fetuses have prenatal consultation with the diagnosis of Hygroma Kystique at the Prenatal Diagnosis Center of the National Hospital of Obstetrics and Gynecology from 01 2021 to 07 2022. Results 82 of cases were diagnosed in the first trimester and 18 in the early second trimester Median gestation at diagnosis is 12 8 1 5 weeks 11 22.5mm . The average nuchal thickness was 8 4 3 3 mm 3 mm- 26 8mm . The increase of the nuchal thickness leads to the risk of abnormalities especially with hydrops fetalis nuchal thickness 10mm the rate of hydrops fetalis was 78 chromosomal abnormalities was 50 . The results of abnormal chromosomes were 31 8 The most common aneuploidy was Tuner syndrome Down syndrome or structural abnormalities such as DiGeorge syndrome. Morphological abnormalities in chromosomal normal cases were 23.7 of which mainly cardiac abnormalities 50 . Survival was 5 in the study group. Postpartum survivors had normal chromosomal findings and no associated morphological abnormalities. Conclusion Hygroma Kystique can be diagnosed early in the first trimester of pregnancy often accompanied by a variety of morphological abnormalities mainly hydrops fetalis. Nuchal thickness is related to abnormal number and chromosomal abnormalities. In addition to the abnormal number of chromosomes there may also be an abnormality in the structure of .
