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[Early amnion rupture or amniotic band syndrome]
S Bokmand1, S Bangsbøll, K Ornvold
1Frederiksberg Hospital, patologisk institut.
Ugeskrift for Laeger
|June 24, 1991
Summary
Early amnion rupture causes oligohydramnios and mesodermal bands, leading to fetal deformities. Severity varies based on band extent and gestational age, with diagnosis via ultrasound and treatment via reconstructive surgery.
Area of Science:
- Obstetrics and Gynecology
- Developmental Biology
- Medical Genetics
Background:
- Amnion rupture before 20 weeks can lead to oligohydramnios.
- This may cause fetal malformations due to amniotic bands (mesodermal bands).
Observation:
- Mesodermal bands form between the chorion and fetus after early amnion rupture.
- These bands can cause a spectrum of deformities, from limb constriction to severe craniofacial and visceral defects.
Findings:
- The severity of fetal deformities correlates with the extent of band formation and gestational age at onset.
- Prenatal diagnosis is primarily achieved through ultrasonic investigation.
- Treatment focuses on reconstructive surgery for life-threatening conditions.
Implications:
- Understanding amniotic band syndrome is crucial for accurate prenatal diagnosis and management.
- Early detection via ultrasound allows for timely intervention and surgical planning.
- This condition highlights the delicate interplay between fetal membranes and embryonic development.