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Sac-Type Congenital Diaphragmatic Hernia: A Case Report of Two Siblings
Chisato Kodera1, Takashi Ohba1, Tomomi Hashimoto2
1Department of Obstetrics and Gynecology, Faculty of Life Science, Kumamoto University, Japan.
Insights
Two siblings presented with congenital diaphragmatic hernia (CDH), a severe birth defect. This rare familial occurrence suggests a potential genetic cause for CDH, highlighting the need for prenatal evaluation in at-risk siblings.
Area of Science:
- Medical Genetics
- Pediatric Surgery
- Developmental Biology
Background:
- Congenital diaphragmatic hernia (CDH) is a severe congenital anomaly involving abdominal contents herniating through a diaphragm defect.
- While often sporadic, familial recurrence of CDH, particularly isolated forms, warrants further investigation into genetic factors.
Observation:
- This report details the first known case of two siblings diagnosed with possibly isolated sac-type CDH.
- The second sibling exhibited a more severe respiratory presentation compared to the first.
Findings:
- Sibling recurrence of isolated CDH, though rare, occurs at a higher incidence than in the general population.
- The presentation suggests a potential genetic etiology underlying this familial CDH case.
Implications:
- This case underscores the importance of considering genetic factors in isolated CDH.
- Siblings of CDH patients are at increased risk, necessitating individualized prenatal evaluation and genetic counseling.
Abstract:
Congenital diaphragmatic hernia (CDH), a herniation of the abdominal contents through a defect or hypoplasia of the diaphragm, is a relatively common, severe congenital anomaly. Here we present the first case of two siblings with possibly isolated sac-type CDH and with a suspected genetic etiology. Although sibling recurrence of isolated CDH is rare, the incidence is higher than in the general population. Additionally, the second child had a more severe respiratory disorder than the first child. It is to be noted that siblings of children having isolated CDH are at risk for CDH, and prenatal evaluation should be considered individually.
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