Stephen J. Schueler, M.D.

Overview Incidence Risk Factors Symptoms Evaluation Treatment questions for doctor specialist Home Care warning signs Outlook Complications Underlying Cause

Belly Button Bulge Underlying Cause

In order for an umbilical hernia to form, there must be a hole, tear or weakened area in the abdominal wall near the umbilicus. This abnormal weakness allows the intestine to protrude through the hole or tear. The intestine forms a bulge underneath the skin.

Causes for weakness in the wall of the abdomen include:

  • Birth defect:
    • The tissue that surrounds an organ develops abnormally
  • Abdominal injury
  • Abdominal surgery

Last Updated: Feb 11, 2011 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Belly Button Bulge References
  1. Gill FT. Umbilical hernia, inguinal hernias, and hydroceles in children: diagnostic clues for optimal patient management. J Pediatr Health Care. 1998 Sep-Oct;12(5):231-5. [9987252]
  2. Gonzalez R, Mason E, Duncan T, Wilson R, Ramshaw BJ. Laparoscopic versus open umbilical hernia repair. JSLS. 2003 Oct-Dec;7(4):323-8. [14626398]
  3. Lau H, Patil NG. Umbilical hernia in adults. Surg Endosc. 2003 Dec;17(12):2016-20. [14574545]
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