Chronic intestinal pseudoobstruction (CIPO) is a rare entity characterized by recurrent clinical episodes of intestinal obstruction in which no mechanical cause is identified. There are multiple causes for this syndrome but two main groups can be distinguished: a) secondary to a systemic non-gastrointestinal disease; and b) primary or idiopathic originated from alterations in the components of the intestinal wall. The latter forms are the most uncommon and their diagnosis is generally difficult. In the present article, we describe nine patients with CIPO that were diagnosed in our center over the last six years. Four of them were diagnosed with primary or idiopathic form of CIPO and another four were clearly secondary to a systemic disease. The ninth case, which was initially diagnosed as secondary, is probably also a primary form of the disease. The number of patients diagnosed in our center, even thought small, makes us to hypothesize that the prevalence of CIPO is probably greater than is generally believed and that the reasons of its rarity are the incomplete understanding of its physiopathology and the difficulties to achieve a correct diagnosis.

We describe the case of a 58-year-old woman with autoimmune enteropathy associated with thyroiditis, gastritis, transitory neutropenia, sicca syndrome and severe axonal polyneuropathy of autoimmune origin. Enterocyte autoantibodies were not detected. However, predisposition to autoimmune disease was indicated by the presence of high titres of anti-gastric parietal cell, anti-thyroglobulin, anti-thyroid peroxidase and anti-neutrophil antibodies. CD4+ and CD8+ lymphocytes were equally distributed in the lamina propria of the small intestine, but CD8+ cells were highly represented among intraepithelial lymphocytes.

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In conclusion, donor age, pre-transplant VL, and over-immunosuppression were associated with the long-term development of severe HCV recurrence in liver grafts. Administration of a full course of antiviral therapy was associated with better survival.