The recurrent FGFR1 mutation has been reported in various neoplastic disorders 52and some rare diseases like osteoglophonic dysplasia, which is an extremely rare bone dysplasia exhibiting an autosomal dominant mode of inheritance.53, 54, 55 In our study, only one patient still had hypophosphataemia after surgical removal of the tumour, and her condition did not resolve based on her 1‐year follow‐up. The gene discussed is FGFR1; the disease is osteoglophonic dysplasia.