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Clinical Chemistry, Vol 33, 313-318, Copyright © 1987 by American Association for Clinical Chemistry
P Stein, SB Rosalki, AY Foo and M Hjelm
Clinical and biochemical features of transient hyperphosphatasemia of infancy and early childhood are reviewed in 21 patients we have studied and in a further 93 cases reported in the literature. The diagnosis is suggested by the finding of an increased activity of alkaline phosphatase (EC 3.1.3.1) in plasma, typically more than fivefold the adult upper reference limit, in a child under five years of age, without evidence of liver or bone disease. The condition is confirmed by the presence of a characteristic pattern of alkaline phosphatase isoenzymes and by the normalization of the enzyme's activity in plasma within approximately three months. The etiology of the condition and possible mechanisms of the enzyme increase are discussed.
The following articles in journals at HighWire Press have cited this article:
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N. J. Jassam, J. Horner, H. Marzo-Ortega, M. Sinclair, and J. H Barth Transient rise in alkaline phosphatase activity in adults BMJ Case Reports, December 3, 2009; 2009(dec03_1): bcr0920092250 - bcr0920092250. [Abstract] [Full Text] |
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S. Y. Huh, H. A. Feldman, J. E. Cox, and C. M. Gordon Prevalence of Transient Hyperphosphatasemia Among Healthy Infants and Toddlers Pediatrics, August 1, 2009; 124(2): 703 - 709. [Abstract] [Full Text] [PDF] |
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D. Behulova, V. Bzduch, D. Holesova, A. Vasilenkova, and J. Ponec Transient Hyperphosphatasemia of Infancy and Childhood: Study of 194 Cases Clin. Chem., November 1, 2000; 46(11): 1868 - 1869. [Full Text] [PDF] |
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S. Kutilek, M. Bayer, and D. Markova Prospective Follow-up of Children with Transient Hyperphosphatasemia Clinical Pediatrics, August 1, 1997; 36(8): 491 - 492. [PDF] |
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