Causes of Congenital Anomalies - Differential Diagnosis Algorithm
Malformation
• Embryonic development failure or inadequacy (often multifactorial)
Deformation
• Abnormal mechanical forces distorting otherwise normal structures (e.g.exoligohydramnios)
Disruption
• Destruction/ Breakdown of previously normal tissue (e.g. ischemia)
Association of Anomalies (Syndromic)
• Chromosomal
• Single Gene
• Teratogenic
• Association (e.g. VACTERL)
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