Small intestine & ampulla
Congenital anomalies
Atresia / stenosis

Topic Completed: 1 August 2012

Minor changes: 18 November 2020

Copyright: 2003-2021,, Inc.

PubMed Search: Small bowel[TIAB] atresia stenosis

Hanni Gulwani, M.B.B.S.
Page views in 2020: 885
Page views in 2021 to date: 315
Cite this page: Gulwani H. Atresia / stenosis. website. Accessed May 7th, 2021.
Definition / general
  • 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 boy 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
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