Cases reported "Hemochromatosis"

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1/5. Early-onset hemochromatic arthropathy in a patient with idiopathic hypermobility syndrome.

    hemochromatosis is a genetic disease related to human leukocyte antigen (HLA) A3, B7, and B14 histocompatability antigens resulting in increased iron absorption from the gastrointestinal tract and deposition of iron in tissues. Arthropathy is not uncommon in the late stage of disease. Characteristic radiologic findings are commonly observed in the wrists and metacarpophalangeal joints as well as the hips, knees, and ankle joints. Presented here is a 34-year-old male with hemochromatosis and bilateral shoulder, knee, and ankle pain. Radiologic examination revealed osteoarthritic findings in both ankle joints and chondrocalcinosis in the knee joints. All the major criteria of hypermobility syndrome were observed on physical examination. The early-onset arthropathy seen with this hemochromatosis is thought to result from hypermobility syndrome.
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2/5. Juvenile hemochromatosis HJV-related revealed by cardiogenic shock.

    hemochromatosis is a heterogeneous genetic disease. Juvenile hemochromatosis is a severe rare recessive autosomal disease. Herein, we report a consanguineous family linked to a mutation in the recently identified HJV gene. A refractory cardiogenic shock had revealed hemochromatosis in the proband, a 26-year-old woman, and led to the death by heart failure. Regular phlebotomies in her young sister, which was also affected, had allowed to prevent the severe complications of the disease. These two affected subjects presented an identical homozygous haplotype at the 1q21 chromosome region and a missense homozygous mutation at the HJV gene (Arg288 > Trp). This observation underlines the importance of HJV genetic testing, by complete screening of the gene, in young patients with abnormal iron parameters and hypogonadism and/or cardiac symptoms to prevent death from cardiac complications.
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3/5. Idiopathic hemochromotosis and alpha-1-antitrypsin deficiency: coexistence in a family with progressive liver disease in the proband.

    A patient with coexistent hemochromatosis and alpha-1-antitrypsin deficiency which led to cirrhosis and death despite adequate therapy for hemochromatosis is reported. Evaluation of the family revealed first degree relatives with iron overload and others with alpha-1-antitrypsin deficiency but none with both conditions. The role of family studies in the early recognition and possible prevention of overt clinical disease in individuals with either of these two genetic diseases is discussed.
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4/5. 46,XX, inv(6)(p21.1p23) in a pedigree with hereditary haemochromatosis.

    Hereditary haemochromatosis (HFE) is a recessive genetic disease of iron overload which has been shown by linkage analysis to reside on the short arm of chromosome 6, close to the major histocompatibility complex (MHC). Positional cloning of the putative HFE locus has been hampered, in part, by the lack of a structural alteration on 6p. In this report, we describe a pedigree with HFE which carries a balanced paracentric inversion of chromosome 6, inv(6)(p21.1p23), a rarely reported chromosomal rearrangement in this region. We have determined the inheritance of the chromosome harbouring the inversion, which segregates as an HFE chromosome. Because the HFE locus has been mapped distal to the HLA-F class I locus at 6p21.3, the breakpoints associated with this chromosomal rearrangement may provide a significant genomic landmark for positional cloning of the HFE gene.
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5/5. Hereditary hemochromatosis.

    Hereditary hemochromatosis (HHC) is an inherited disease transmitted in an autosomal recessive pattern. With homozygosity occurring in up to 0.5% of the population, HHC is the most prevalent genetic disease among the white population worldwide and has the same prevalence as the sickle cell trait in the African-American population. An asymptomatic 50-year-old white man presented at the family practice clinic and stated that HHC had been diagnosed in his mother. Laboratory findings showed markedly elevated transferrin saturation and ferritin levels. The diagnosis of HHC was made on the basis of the laboratory results and family history, and therapy was begun. Clinical manifestations of HHC occur late and include diabetes mellitus, cirrhosis, and cardiomyopathy. As end-organ damage is preventable, optimal management involves early diagnosis and lifelong phlebotomy. Diagnosis is made by an elevated transferrin saturation level and an increased serum ferritin value. Hereditary hemochromatosis is a genetic disorder of iron metabolism that has an excellent prognosis if diagnosed early.
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