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Hirschsprung Disease

Congenital MEGACOLON resulting from the absence of ganglion cells (aganglionosis) in a distal segment of the LARGE INTESTINE. The aganglionic segment is permanently contracted thus causing dilatation proximal to it. In most cases, the aganglionic segment is within the RECTUM and SIGMOID COLON.

Year introduced: 1983

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Subheadings:

Tree Number(s): C06.198.439, C06.405.469.158.701.439, C16.131.314.439

MeSH Unique ID: D006627

Entry Terms:

  • Disease, Hirschsprung
  • Aganglionic Megacolon
  • Congenital Megacolon
  • Hirschsprung's Disease
  • Disease, Hirschsprung's
  • Hirschsprungs Disease
  • Megacolon, Aganglionic
  • Megacolon, Congenital
  • Aganglionosis, Colonic
  • Aganglionosis, Total Colonic
  • Colonic Aganglionosis
  • Total Colonic Aganglionosis
  • Aganglionosis, Rectosigmoid Colon
  • Rectosigmoid Colon Aganglionosis
  • Rectosigmoid Aganglionosis
  • Aganglionosis, Rectosigmoid
  • Congenital Intestinal Aganglionosis

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