Classification of Grosfeld et al for Jejunoileal Atresia

Description

Atresia of the small bowel results in bowel obstruction in the newborn infant. It often occurs due to an ischemic event in utero and may be found in premature infants. Grosfeld et al used a modified classification to describe the different variations.

Number of Atretic Sites	Continuity of Bowel	Additional Features	Type
single	continuous	mucosa and submucosa form a diaphragm or plug across lumen; the muscle layer is continuous	I
single	continuous	segments connected by a fibrous cord	II
single	interrupted	both segments have blind ends; ends usually situated close to each other	IIIa
single	interrupted	both segments have blind ends with distal bowel coiled, resembling an "apple peel"; ends may be distant from each other	IIIb
multiple	mixed		IV

If multiple atretic segments are present, the proximal atresia may be used to classify it as jejunal or ileal.

The differential diagnosis for Type I atresia includes intestinal stenosis, where there is incomplete occlusion of the intestine, with dilatation of the proximal bowel.

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Classification of Grosfeld et al for Jejunoileal Atresia

Description

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