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  • Title: Pneumatosis and pneumoperitoneum in chronic idiopathic intestinal pseudoobstruction.
    Author: Luks FI, Chung MA, Brandt ML, Hertecant J, Roy CC, Blanchard H, Bensoussan AL.
    Journal: J Pediatr Surg; 1991 Dec; 26(12):1384-6. PubMed ID: 1765913.
    Abstract:
    Chronic idiopathic intestinal pseudoobstruction is a diagnosis of exclusion for the rare patient with severe small bowel atony without any demonstrable organic cause. The very poor prognosis associated with this disease has been somewhat improved with the advent of parenteral nutrition; nevertheless, these patients follow a stormy course characterized by malnutrition, recurrent obstruction, infection, hemorrhage, and perforation. We describe a 16-year-old boy with this disease who presented to us with vague abdominal pain and pneumoperitoneum. Laparotomy showed pneumatosis cystoides intestinalis without intestinal perforation. The presence of free air in the abdominal cavity is an almost pathognomonic sign of intestinal perforation. Pneumatosis cystoides intestinalis is one of the very few nonsurgical causes of pneumoperitoneum. Beyond the neonatal period, in which it is the hallmark of necrotizing enterocolitis, it has been described in patients with severe obstructive lung disease, in collagenous disorders, and in the short-bowel syndrome. In the present case, it may have resulted from chronic intestinal distension, allowing air under pressure to dissect through the bowel wall. The challenge of such a unique association of conditions lies in the avoidance of unnecessary surgery in a chronic, essentially nonsurgical disease while avoiding unnecessary delay in a possibly acute surgical event.
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