title: Spontaneous free perforation of the small intestine in adults.
abstract: Spontaneous free perforation of the small intestine is uncommon, especially if there is no prior history of visceral trauma. However, free, even recurrent, perforation may complicate a defined and established clinical disorder, such as Crohn's disease. In addition, free perforation may be the initial clinical presentation of an occult intestinal disorder, such as a lymphoma complicating celiac disease, causing diffuse peritonitis and an acute abdomen. Initial diagnosis of the precise cause may be difficult, but now has been aided by computerized tomographic imaging. The site of perforation may be helpful in defining a cause (e.g., ileal perforation in Crohn's disease, jejunal perforation in celiac disease, complicated by lymphoma or collagenous sprue). Urgent surgical intervention, however, is usually required for precise diagnosis and treatment. During evaluation, an expanding list of other possible causes should be considered, even after surgery, as subsequent management may be affected. Free perforation may not only complicate an established intestinal disorder, but also a new acute process (e.g., caused by different infectious agents) or a longstanding and unrecognized disorder (e.g., congenital, metabolic and vascular causes). Moreover, new endoscopic therapeutic and medical therapies, including use of emerging novel biological agents, have been complicated by intestinal perforation. Recent studies also support the hypothesis that perforation of the small intestine may be genetically-based with different mutations causing altered connective tissue structure, synthesis and repair.
authors.affiliation: Hugh James Freeman, Department of Medicine, University of British Columbia, Vancouver V6T 1W5, Canada.
authors.forename: Hugh James
authors.initials: HJ
authors.lastname: Freeman
mesh_terms: D000328:Adult; D006801:Humans; D007416:Intestinal Perforation / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D007421:Intestine, Small / Q000473:pathology / Q000601:surgery; D011237:Predictive Value of Tests; D011379:Prognosis; D012008:Recurrence; D012307:Risk Factors; D012422:Rupture, Spontaneous
keywords: Biological agents; Celiac disease; Collagenous sprue; Crohn’s disease; Free small bowel perforation; Monoclonal antibodies; Non-traumatic perforation; Small bowel lymphoma; Vasculitis
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