Endocrine Abstracts

The Fibroblast Growth Factor 23 (FGF23) gene provides instructions for making a protein called FGF23. This protein is necessary in regulating the phosphate levels within the body. We present a case of an adult Caucasian man with persistent hypophosphatemia due to mutation in ENPP1.Case History: A 34 years old male presented with intermittent muscle pain, cramps and headaches. He also noticed episodic breathlessness and irritability. He had no hi...