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  • Title: Obstructive jaundice caused by the deposition of amyloid-like substances in the extrahepatic and large intrahepatic bile ducts in a patient with multiple myeloma.
    Author: Terada T, Hirata K, Hisada Y, Hoshii Y, Nakanuma Y.
    Journal: Histopathology; 1994 May; 24(5):485-7. PubMed ID: 8088723.
    Abstract:
    Obstructive jaundice has rarely been reported in liver amyloidosis. We report here an autopsy of a 55-year-old woman with multiple myeloma and obstructive jaundice due to the deposition of amyloid-like substances in the walls and lumina of the extrahepatic bile duct and intrahepatic large bile ducts, resulting in obstruction and narrowing of the bile ducts. The amyloid-like deposits were negative with Congo red stain, and were negative immunohistochemically for IgG, IgA, IgM, kappa chain, beta-2-microglobulin, and amyloid A and P components. However, they were positive for lambda chain, and ultrastructurally composed of non-branching filaments with a diameter of 7-10 nm. This is the first case of obstructive jaundice due to histologically confirmed amyloid-like deposits in the biliary system.
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