Hirschsprung's disease classification: Difference between revisions
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==Overview== | ==Overview== | ||
Hirschsprung's disease classification, based on the extent of [[Colon (anatomy)|colon]] involvement, | Hirschsprung's disease classification, based on the extent of [[Colon (anatomy)|colon]] involvement, includes rectosigmoid, long segment, and ultrashort segment disease. | ||
==Classification== | ==Classification== | ||
Hirschsprung's disease may be classified based on the extent of [[colon]] involvement into the following: | Hirschsprung's disease may be classified based on the extent of [[colon]] involvement into the following: | ||
Revision as of 16:19, 3 August 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ahmed Younes M.B.B.CH [2]
Overview
Hirschsprung's disease classification, based on the extent of colon involvement, includes rectosigmoid, long segment, and ultrashort segment disease.
Classification
Hirschsprung's disease may be classified based on the extent of colon involvement into the following:
Rectosigmoid (short segment) disease:
- It is the most common form, seen in 75-80% of infants diagnosed with Hirschsprung's disease.
Long segment Hirschsprung's disease:
- It is also known as total colonic aganglionosis.
- The disease has ileal involvement up to 50 cm proximal to the ileocecal junction.
- It is uncommon and accounts for 5-7% of cases diagnosed with Hirschsprung's disease.
Ultrashort segment Hirschsprung's disease:
- Only the internal anal sphincter is affected.
- It is also called as internal anal sphincter achalasia.