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.