Abstract

We report a case of fluorosis due to high water and soil contents in a 23-year-old Algerian woman. The condition, which is infrequent at this age, was promoted by chronic renal failure due to a congenital renal malformation. Roentgenograms showing osteosis with increased bone density were suggestive of fluorosis rather than renal osteodystrophy. Bone tissue fluoride assay confirmed fluorosis. Histomorphometric analysis of bone biopsy specimens showed mixed lesions: major osteocondensation due to bone fluorosis and morphologic and dynamic osteomalacia related to the chronic renal failure.

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