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