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  • Title: Heavy Chain Disease of the Small Bowel.
    Author: Bianchi G, Sohani AR.
    Journal: Curr Gastroenterol Rep; 2018 Jan 25; 20(1):3. PubMed ID: 29372346.
    Abstract:
    PURPOSE OF REVIEW: The purpose of this review is to discuss current knowledge and recent findings regarding pathogenesis, outcome, and treatment for heavy chain disease (HCD) involving the small bowel, focusing on alpha HCD or immunoproliferative small intestinal disease (IPSID), the HCD subtype typically affecting the small bowel. RECENT FINDINGS: A link between Campylobacter jejuni infection and IPSID has been established, but there is controversy as to the role played by this organism in disease pathogenesis. While cytogenetic abnormalities involving various immunoglobulin loci and PAX5 have been reported, these have been described in rare, single cases, limiting their ability to shed further light on disease pathogenesis. IPSID is typically regarded as a pre-lymphomatous condition with eventual progression to frank lymphoma; however, recent reports of longstanding non-progressive cases have expanded its clinical spectrum. IPSID is an uncommon disorder affecting the small intestine. This review focuses on current knowledge and novel insight regarding its pathogenesis, outcome, and treatment, with an emphasis on future directions.
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