Table 12

Gastrointestinal malformations

GIT malformationFrequency (%)Reference
Anal atresia 9 (7.7%)9,13,4 (three cases),16 (two cases),31,51
Rectal atresia 2 (1.7%) 3, 24
Anal stenosis 8 (6.8%)3,8,16,28 (two cases),62 (three cases)
Imperforate anus15 (12.8%)3,4,11,20,22,25,36 (two cases),41,45 (four cases),51,53
Anteriorly placed or displaced anus 7 (6.0%)14,16,23,45,62 (three cases)
Umbilical hernia 7 (6.0%) 9, 11, 14, 16, 18, 33, 45
Low set umbilicus13 (11.1%)4,11,14,16 (two cases),20,22,24,31,45 (two cases),47,54
Malrotation of intestine/bowel or incomplete rotation 6 (5.1%) 4, 12, 16, 18, 20, 24
Fistula28
Perianal fistula 9, 22
Intestinal fistula 45
Large or protuberant abdomen 36, 47
Lower abdominal wall defect 54
Deep set umbilical cord 34
Hypoplasia of the stomach 4, 34
Hiatus hernia 28
Duodenal stenosis 44
Hepatomegaly 11, 53
Abnormal lobulation of the liver 16
Non-fixation of the intestine44 (two cases)
Mesenteric abnormalities with simple arterial pattern4 (two cases)
Absent appendix 16, 21
Meckel diverticulum 17
Ectopic adrenal tissue 26
Ectopic pancreatic tissue 40