ICD-11 definition : This is a developmental anomaly affecting the intestinal tract characterized by congenital
absence of myenteric ganglion cells (aganglionosis) in a segment of the large bowel.
Due to the absence of intrinsic innervation of the muscle layers of the affected segment,
there is a loss of motor function. This results in an abnormally large or dilated
colon (congenital megacolon) with intestinal occlusion or constipation. This condition
becomes evident shortly after birth.;
This is a developmental anomaly affecting the intestinal tract characterized by congenital
absence of myenteric ganglion cells (aganglionosis) in a segment of the large bowel.
Due to the absence of intrinsic innervation of the muscle layers of the affected segment,
there is a loss of motor function. This results in an abnormally large or dilated
colon (congenital megacolon) with intestinal occlusion or constipation. This condition
becomes evident shortly after birth.