Abstract
The metabolic fates of copper and iron are closely linked through ceruloplasmin and hephaestin. Ceruloplasmin is the principal copper carrying protein and decreases in acquired copper deficiency. Congenital absence of ceruloplasmin (aceruloplasminemia) results in tissue iron overload. Animal studies suggest hypoceruloplasminemia and impaired hephaestin function result in tissue iron accumulation. There are no data on hepatic function, pathology, and iron status in patients with acquired copper deficiency. This report studies these issues in 4 patients with acquired copper deficiency. This is a retrospective review of hepatic status (imaging, liver function tests, liver biopsy) in 4 patients with neurologic and hematologic manifestations of acquired copper deficiency who also had imaging and/or pathologic evidence of hepatic dysfunction. Two patients (cases 1 and 2) showed imaging evidence of cirrhosis and pathologic evidence of cirrhosis or advanced fibrosis. Two patients (cases 3 and 4) had pathologic evidence of hepatic iron overload. All patients had some evidence of abnormality on liver function tests. Acquired copper deficiency causes a secondary ceruloplasmin deficiency which can result in hepatic iron overload and/or cirrhosis.
Published Version
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