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South Med J. 1993 May;86(5):568-9.

Multiple myeloma and AL amyloidosis mimicking Sjögren's syndrome.

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  • 1Department of Internal Medicine, Southeast Permanente Medical Group, Atlanta, Ga.


A 49-year-old white man had xerostomia, orthostatic hypotension, salivary gland enlargement, and a monoclonal gammopathy. Salivary gland biopsy revealed AL amyloidosis without histopathologic evidence of Sjögren's syndrome; serologic evidence of Sjögren's syndrome was also absent. Bone marrow biopsy revealed more than 30% plasma cells, and a diagnosis of multiple myeloma was made. The association of myeloma amyloidosis with salivary gland infiltration and xerostomia is rare. Unusual causes of xerostomia, such as myeloma amyloidosis, should be considered when histopathologic and serologic evidence of Sjögren's syndrome are absent.

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