Template:Trisomy 18 features table
From Embryology
| Frequency | Organ/System | Prevalent type of malformation |
|---|---|---|
| Common (>75%) | heart | septal defects, patent ductus arteriosus, and polyvalvular disease |
| Frequent (25-75%) | genitourinary | horseshoe kidney |
| Less frequent (5-25%) | gastrointestinal
central nervous system craniofacial eye limb |
omphalocele, esophageal atresia with tracheo-esophageal fistula, pyloric stenosis, Meckel diverticulum
cerebellar hypoplasia, agenesis of corpus callosum, polymicrogyria, spina bifida orofacial clefts microphthalmia, coloboma, cataract, corneal opacities radial aplasia/hypoplasia |
| Table modified from[1] | ||
