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Amyloidosis in the Gastrointestinal Tract Fumiya Uchida 1 , Toshikazu Gondo 1 , Takako Iwata 2 1The First Department of Pathology, Yamaguchi University, School of Medicine 2Yamaguchi University, School of Allied Health Science pp.1239-1245
Published Date 1987/11/25
DOI https://doi.org/10.11477/mf.1403112903
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 Involvement of the gastrointestinal tract in amyloidosis is well recognized and can be demonstrated in almost all patients with systemic amyloidosis. Histologically, amyloid deposits are mainly located at the vascular walls of any layers, most apparent in the submucosa (Figs. 2, 3).

 Vascular fragility caused by amyloid deposit in the vascular walls may cause gastrointestinal bleeding. Impaired motor activity, resulting from both marked amyloid deposits in the intestinal walls and degeneration of the intrinsic autonomic nerve may be responsible for severe diarrhea.

 Diagnosis of amyloidosis can be done by the histological examination of biopsy gastric and rectal specimens. To make a correct diagnosis, careful pathological examination is the most effective means to confirm the existence of suspected amyloidosis.


Copyright © 1987, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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