Small bowel (small intestine)
Congenital anomalies
Atresia / stenosis

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 9 February 2018, last major update August 2012

Copyright: (c) 2003-2018, PathologyOutlines.com, Inc.

PubMed Search: Small bowel[TIAB] atresia stenosis

Cite this page: Gulwani, H. Atresia / stenosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/smallbowelatresiastenosis.html. Accessed February 25th, 2018.
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
Etiology
  • 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