Idiopathic intestinal pseudo-obstruction.

This is a case report of a patient with a variant of idiopathic intestinal pseudo-obstruction (IIPO). The patient, a 53-year old female with polycystic kidney disease, had intermittent episodes of intestinal distention with megaduodenum and megasigmoid noted at roentgen study and postmortem examination. The etiology of this abnormality is unclear and no significant changes in the innervation of the bowel were noted on gross or histologic study.