Hypogonadism in Hemochromatosis: Reversal with Iron Depletion

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Abstract
Gonadal function was evaluated in 64 persons homozygous for the HLA-linked hemochromatosis allele. Of 41 men, 10 had reduced libido or impotence and 6 had testicular atrophy. Before treatment, 5 men had below normal testosterone concentrations, 4 of whom also had low gonadotrophin levels. Four hypogonadal men were reevaluated after iron depletion treatment. In 2, 1 with primary and another with secondary hypogonadism, testosterone levels returned to normal after phlebotomy and were accompanied by a return of normal sexual function. None of 23 women with hemochromatosis had loss of libido or had a natural menopause before age 45. Our findings indicate that in some men with hereditary hemochromatosis and hypogonadism of either testicular or central origin, sexual function and sex hormone concentrations can be restored to normal after iron depletion therapy.