ESPE Abstracts

The measurement of serum FGF23 plays a pivotal role in the differential diagnosis of patients with hypophosphatemia. However, its interpretation may be difficult in some cases. We report the case of a child with rickets and severe hypophosphatemia, where both intact FGF23 (iFGF23), the active form, and C terminal FGF23 fragments (C-FGF23) were measured.Case report: A 5.7-year-old girl, born at term from first-grade-related Pakistani pare...