Hypophosphataemic Rickets: Similar Phenotype of Different Diseases.

Hypophosphataemic rickets (HR) is a group of rare disorders caused by excessive renal phosphate wasting in which the participation of fibroblast growth factor 23 (FGF23) can be prominent. These diseases pose therapeutic challenges with important consequences for growth and bone development in childhood, with higher risk of fractures and poorer bone healing, dental problems, and nephrolithiasis or nephrocalcinosis. In some cases, the diagnostic delay can be very long; laboratory findings and an exhaustive anamnesis could help distinguish between various pathologies, and FGF23 values-although currently not routinely measured-have implications for the differential diagnosis. Genetic testing is encouraged, especially in sporadic or insidious cases. In this review we discuss the clinical features of HR, with a particular emphasis on the differential diagnosis and the therapeutic implications.

Citation

Francisco de la Cerda-Ojeda, Juan D González-Rodríguez, Leire Madariaga, Guillermo Martínez-Díaz-Guerra, María L Matoses-Ruipérez. Hypophosphataemic Rickets: Similar Phenotype of Different Diseases. Advances in therapy. 2020 May;37(Suppl 2):80-88

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PMID: 32236875

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