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Obstet Gynecol Sci > Volume 54(3); 2011 > Article
Korean Journal of Obstetrics & Gynecology 2011;54(3):155-158.
DOI: https://doi.org/10.5468/KJOG.2011.54.3.155    Published online March 1, 2011.
A case of amniotic band syndrome associated with anencephaly demonstrated using three-dimensional ultrasound at early pregnancy.
Hyun Jin Cho, Yeon Mee Kim, Gyun ho Jeon, Sungwook Chun, Chul hoi Jeong, Yong il Ji
1Department of Obstetrics and Gynecology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea. lory1202@naver.com
2Department of Pathology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea.
Amniotic band syndrome (ABS) is entrapment of fetal parts by disrupted amnion and formation of fibrous amniotic band. As results, it causes a variety of fetal malformation involving the limbs, the craniofacial region and trunk. A visualization of free floating amniotic band is appropriate diagnostic method for ABS. Three dimensional (3D) and four dimensional (4D) ultrasounds are useful to diagnosis ABS. However prenatal diagnosis is difficult especially when they do not circulate a limb or cause single abnormality. In the cases of anencephaly, a differentiation between ABS and primary neural tube defect is important because the recurrence rate is significantly different. We reported a case that a fetal anencephaly with hydrops was diagnosed using prenatal 3D and 4D ultrasound then confirmed as amniotic band syndrome by autopsy at 12 weeks of gestation. After autopsy, we demonstrated amniotic band through 3D ultrasound review.
Key Words: Amniotic band syndrome, Anencephaly, Three-dimensional ultrasound

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