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Toxic megacolon - Symptom

Alternative Names

Toxic dilation of the colon; Megarectum

Symptoms:

The rapid widening of the colon may cause the following symptoms:

Signs and tests:

The rapid widening (dilation) of the colon makes this different from other conditions, such as chronic constipation, that can widen the colon slowly and do not cause sudden, life-threatening symptoms.

A physical exam may reveal signs of septic shock. The doctor will notice tenderness in the abdomen and possible loss of bowel sounds.

Tests:

  • Reviewed last on: 1/20/2010
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; and George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Stenson WF. Inflammatory bowel disease. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 144.

Peterson MA. Disorders of the large intestine. In: Marx JA, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 7th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 93.

Marrero F. Severe complications of inflammatory bowel disease. Med Clin North Am. 2008;92:671-686.

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