CHORUS
Collaborative Hypertext of Radiology
Stomach
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sliding hiatal hernia
"axial hernia," "concentric hernia"
- 99% of hiatal hernias
- portion of peritoneal sac forms part of wall of hernia
- etiology: rupture of phrenicoesophageal membrane due to
repetitive stretching with swallowing
- incidence: increases with age
Findings:
- UGI
- epiphrenic bulge
- distance between B ring and hiatal margin > 2cm
- tortuous esophagus
- gastroesophageal reflux
- > 6 thick gastric folds within suprahiatal pouch
- CT
- dehiscence of diaphragmtic crura > 15 mm
- pseudomass within/above distal esophagus
- fat (omemtum) surrounding distal esophagus
Yong H. Hahn, MD - 2 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.
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