Abstract
Intestinal neuronal dysplasia type B (IND-B) is a pathological entity of the group of gastrointestinal neuromuscular. In most cases, this diagnosis is based on the histopathological analysis of the biopsies of rectum of patients with intestinal constipation, usually refractory to clinical treatment, demonstrating signs of submucosal nerve plexus hyperplasia. The lack of definition about t…