期刊
DIABETIC MEDICINE
卷 23, 期 10, 页码 1136-1139出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1464-5491.2006.01883.x
关键词
aceruloplasminaemia; cerebellar ataxia; early onset diabetes; extrapyramidal signs; retinal pigment degeneration
Background Aceruloplasminaemia is an autosomal recessive disorder caused by specific mutations in the ceruloplasmin gene. Aceruloplasminaemia is clinically characterized by diabetes mellitus, pigment degeneration of the retina, and neurological abnormalities, such as cerebellar ataxia, extrapyramidal signs, and dementia. We present a patient with aceruloplasminaemia who, until progressive neurological abnormalities were noticed, had been treated for more than 30 years as having Type 1 diabetes mellitus requiring multiple insulin injection therapy. Case report The patient was a 58-year-old man. At the age of 23 years, he developed diabetes that required multiple insulin injection therapy. At the age of 39 years, he was commenced on continuous subcutaneous insulin infusion (CSII) therapy. Despite CSII therapy, the patient's blood glucose levels were poorly controlled (HbA(1c), similar to 9.5%). He was diagnosed as having aceruloplasminaemia at 58 years of age when he presented with progressive cerebellar ataxia, extrapyramidal signs of recent onset and pigment degeneration of the retina. Conclusions It is possible that some diabetic patients with aceruloplasminaemia are mistakenly diagnosed as having Type 1 diabetes mellitus, as they have reduced insulin secretion and develop diabetes at a younger age, before neurological abnormalities associated with aceruloplasminaemia are apparent. Therefore, aceruloplasminaemia should be considered in patients with insulin-dependent diabetes mellitus who develop progressive neurological abnormalities of unknown aetiology along with a microcytic hypochromic anaemia and retinal degeneration.
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