Science and Education Publishing American Journal of Medical Case Reports 2374-216X 5 1 2017 2 14 Chronic Intestinal Idiopathic Pseudo-obstruction (CIIPO) Complicated by Sigmoid Volvulus 22 24 EN Christos Konstantinidis Surgical Department, Hippocratio General Hospital of Athens, 114 Vasilissis Sofias str, Athens, Region of Attica, Greece AJMCR2017516 10.12691/ajmcr-5-1-6 2016 11 7 2016 12 3 2017 2 12 A 17-year-old male patient with chronic intestinal idiopathic pseudo-obstruction was admitted to the emergency department clinically deteriorated due to sigmoid volvulus. Initial resuscitative efforts followed by endoscopy failed to detorse and decompress the bowel. At the followed emergency laparotomy the volvulus was derotated and a Hartmann's procedure with left hemicolectomy was performed. The patient after 3 months underwent stoma closure. At one-year follow-up the patient showed clinical improvement.