The Coexistence of Multiple Myeloma-associated Amyloid Light-chain Amyloidosis and Fabry Disease in a Hemodialysis Patient
نویسندگان
چکیده
Fabry disease (FD) is an inherited lysosomal disorder caused by an X-linked α-galactosidase A deficiency. We report the case of a 50-year-old male FD patient on hemodialysis who presented with macroglossia-related speaking difficulty and gastrointestinal symptoms. An endoscopic analysis revealed multiple gastric ulcers, and a histological examination led to a diagnosis of amyloid light-chain amyloidosis. Serum free light-chain and bone marrow analyses detected multiple myeloma (MM). Treatment with bortezomib and dexamethasone significantly improved the patient's symptoms. This is the first case to demonstrate a potential pathogenic relationship between FD and MM. The similar gastrointestinal manifestations might have contributed to the diagnostic difficulty.
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