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Gastrointestinal bleeding and amyloidosis

D J Levy, G O Franklin, W S Rosenthal

    The American Journal of Gastroenterology
    |June 1, 1982
    PubMed
    Summary
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    Gastrointestinal bleeding as the first sign of amyloidosis is rare and challenging to diagnose. This review highlights diffuse gastrointestinal involvement, often presenting as bleeding, in amyloidosis patients.

    Area of Science:

    • Gastroenterology
    • Internal Medicine
    • Pathology

    Background:

    • Amyloidosis is a systemic disease characterized by amyloid protein deposition in various organs.
    • Gastrointestinal bleeding is a known complication of amyloidosis, but its presentation as the initial or sole manifestation is uncommon.

    Observation:

    • The case study details a patient with diagnostic challenges due to initial gastrointestinal bleeding.
    • Endoscopic findings revealed multiple waxy amyloid plaques and extremely friable jejunal mucosa.
    • Radiographic and arteriographic findings in amyloidosis can include diffuse mucosal fold thickening and vascular abnormalities.

    Findings:

    • Amyloidosis frequently causes diffuse gastrointestinal tract involvement rather than focal lesions.
    • Both upper and lower gastrointestinal bleeding can occur with varying severity.

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  • Diagnostic modalities like endoscopy and arteriography can reveal characteristic changes.

    • Implications:

    • Early recognition of gastrointestinal bleeding as a potential sign of amyloidosis is crucial for timely diagnosis.
    • Understanding the diffuse nature of gastrointestinal involvement aids in diagnostic approaches.
    • While treatment remains challenging, promising new therapeutic measures are emerging.