Oncogenic osteomalacia has fascinated physiology-minded physiciansfor decades. The traditional name for this peculiar disorderconnotes its classification as a paraneoplastic phenomenon.Such a characterization is a bit off the mark, however, in thatthe involved "neoplasm" is often (but not always) of limitedclinical significance apart from its causal role in the musculoskeletaldisease. Tumors responsible for oncogenic osteomalacia are usuallybenign rather than invasive, whereas generalized, debilitatingosteomalacia and rickets are the important clinical problemsfor the patient. The assay for the measurement of circulatinglevels of fibroblast growth factor 23 (FGF-23), the developmentof which is described . . . [Full Text of this Article]
Clinical Presentation
Evaluation
Treatment and Course
Pathophysiology and Candidate Mediators
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From the Section of Pediatric Endocrinology, Yale University School of Medicine, New Haven, Conn.
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