Abstract
Three children, aged 15–18 months were referred because of clinical, radiological and biochemical manifestations of rickets. Serum 25-hydroxycholecalciferol (25-OH-D3) values were within the normal range but 1,25-dihydroxychole-calciferol (1,25-diOH-D3) levels were markedly elevated. All signs and symptoms could be explained by dietary calcium deficiency. They all received the commercial Soya-drink — not adapted for infants — as their main source of nutrition for at least 6 months. Soya-drink has as extremely low calcium content. It should be remembered that defective calcium intake causes severe bone lesions and rickets in children in spite of adequate vitamin D supply.
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Abbreviations
- 25-OH-D3:
-
25-hydroxycholecalciferol
- 1,25-diOH-D3:
-
1,25-dihydroxycholecalciferol
- PTH:
-
parathyroid hormone
References
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Legius, E., Proesmans, W., Eggermont, E. et al. Rickets due to dietary calcium deficiency. Eur J Pediatr 148, 784–785 (1989). https://doi.org/10.1007/BF00443112
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DOI: https://doi.org/10.1007/BF00443112