Intestinal neuronal dysplasia type B (IND B) is currently defined as a disease of the submucous plexus of the intestine. The aetiology of IND B remains largely obscure. The congenital origin of IND B is supposed; nevertheless, the findings of IND B associated with chronic intestinal obstruction support the notion that this disease could be caused by a reaction of the enteral nervous system to intestinal obstruction or inflammatory disease either in the fetal or the postnatal period. The treatment of IND type B has no unified concept of treatment. The ultimate clinical diagnosis of IND B should be based on a definitive histological diagnosis relating to clinical symptoms, the course of treatment and long-term follow-up of patients with this dysfunction of intestinal motility, despite the fact that no correlations of the clinical picture, radiological investigation and anorectal manometric studies with IND B have been found so far.
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