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[Alport's syndrome in twins].

Alport's syndrome consists of hereditary nephritis, often progressing to renal failure, and variable neural hearing loss. It was diagnosed in dizygotic twins, aged 32 years, suffering from nephropathy manifested by microscopic hematuria, proteinuria and chronic renal failure, accompanied by hearing loss and ocular disorders (observed in both retina and lenses). Gothic palate has been noted in both patients. Glomerulitis was diagnosed for the first time at the age of 11 and 12 years, respectively. Hearing loss began in one brother 10 years later, and in another 11 years later. Renal failure developed much later. Diagnostic problems were due to the fact, that streptomycin was used in childhood (another cause of hearing loss?) and to the lack of any symptoms of Alport's syndrome in other members of the family.