Intestinal Neuronal Dysplasia Type B as Rare Organic Cause of Refractory Constipation in Adults: A Case Report and Literature Review

Background: Intestinal neuronal dysplasia type B is an entity characterized by disturbances in the enteric plexus, it most often occurs in childhood and can appear as an isolated disease or in combination with other neuropathies. The main symptoms are chronic constipation and intestinal obstruction. Case presentation: This paper presents the diagnostic work-up of a 40-year-old patient who was referred to a tertiary center due to refractory chronic constipation. A diagnosis of intestinal neuronal dysplasia type B was made after a surgical procedure based on pathohistological findings. Discussion: In a further multi-year follow-up, the patient was symptom-free with regular bowel movements, with a significant quality of life improvement. Conclusion: This confirmed that the chosen type of surgical procedure was appropriate.