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  • Title: Familial intestinal degenerative neuropathy associated with chronic intestinal pseudo-obstruction.
    Author: Ahlfors F, Linander H, Lindström M, Veress B, Abrahamsson H.
    Journal: Neurogastroenterol Motil; 2011 Apr; 23(4):347-55, e159. PubMed ID: 21122031.
    Abstract:
    BACKGROUND: Few families with autosomal dominant forms of chronic idiopathic pseudo-obstruction (CIP) have been identified and reported. METHODS: We compared two families by clinical, laboratory, histopathologic, and genealogical investigations. Ten patients (pts) (five women) from two families, A and B, both with a family history suggesting autosomal dominant CIP, were investigated. KEY RESULTS: All pts had chronic diarrhea, nine of ten pts had chronic abdominal pain and seven of ten chronic vomiting. Median age for onset of symptoms was 23 (A) and 34 years (B). None had dysphagia, urogenital, neurologic, or ocular symptoms. Small bowel transit and jejunal culture were abnormal in eight of nine. Manometry showed severe jejunal hypomotility in the fasting and fed state and absence of normal phase III in all nine pts and neuropathy-like duodenal alterations in eight of nine. Progress to overt CIP had occurred in six pts. Histopathologic re-evaluation (three pts) showed that criteria of visceral degenerative neuropathy were fulfilled in both families including intranuclear inclusions in all three pts. Genealogic exploration using the unique Swedish Register for Catechetical Meetings disclosed that the two families with all likelihood shared a male ancestor in the 1890 s. CONCLUSIONS & INFERENCES: The compiled results with striking similarities between family A and B together with genealogy findings indicate that this is one, large kindred with a familial autosomal dominant form of intestinal degenerative neuropathy often progressing to CIP but without extra-intestinal manifestations. This is the fourth and, so far, the largest family reported with these characteristics.
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