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Small bowel (small intestine)

Congenital anomalies


Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 13 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


Atresia: imperforate mucosal diaphragm or string like segment of bowel
Stenosis: narrowing of lumen; less common
Complications: perforation, meconium peritonitis, brown bowel syndrome


● Developmental failure, intrauterine vascular accidents, intussusceptions

Case reports

● 46 day old male infant with multiple areas of jejunal atresia with apple peel deformity (twisted around an artery) associated with 22q11 abnormality (Arch Pathol Lab Med 2000;124:880)

Additional references

World J Gastroenterol 2010;16:5716

End of Small bowel (small intestine) > Congenital anomalies > Atresia/stenosis

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