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Hyperferritinemia is a common finding in clinical practice. This condition can be congenital or acquired, although it is not always associated with iron overload. Genetic hyperferritinemia is associated with iron overload, hereditary hemochromatosis, or cataracts that progress without iron overload (hereditary hyperferritinemia-cataract syndrome). Metabolic syndrome is associated with hyperferritinemia and mild iron overload, with no increase in transferrin saturation. We report a family with hyperferritinemia. PATIENTS AND
We present the study of a family with dual hyperferritinemia (congenital and acquired) and an analysis of the genes involved in iron metabolism.
Patients with hereditary hyperferritinemia-cataract syndrome have the mutation c.-167C>T in the FTL gene; patients with metabolic syndrome present a new mutation in the TFR2 gene (c.1259G>A, p.Arg420His).
The phenotypic and genotypic diversity of hyperferritinemia makes it a diagnostic challenge for clinicians. Basic research and clinical research should be combined to ensure better patient care.
Unidad de Ferropatología y Radicalosis, Departamento de Medicina Interna, Hospital General Universitario Gregorio Marañón, Facultad de Medicina, Universidad Complutense, Madrid, España.
This article was published in the following journal.
Name: Medicina clinica
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Hyperferritinemia-cataract syndrome (HCS) is a rare Mendelian condition characterized by bilateral cataract and high levels of serum ferritin in the absence of iron overload.
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A form of long QT syndrome that is associated with congenital deafness. It is characterized by abnormal cardioelectrophysiology involving the VOLTAGE-GATED POTASSIUM CHANNEL. It results from mutation of KCNQ1 gene (Subtype 1 or JLN1) or the KCNE1 gene (Subtype 2 or JLN2).
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