Samardzic et al. Journal of Medical Case Reports 2011, 5:400 http://www.jmedicalcasereports.com/content/5/1/400 Page 4 of 6 Figure 1 Growth chart of child with Dent’s disease before and during additional therapy with rhGH. G&P: assessment of bone age by Greulich-Pyle method. and renal phosphate reabsorption are often disappoint- ing [14]. Unlike in the case of the two brothers reported by Shaffer-Babila et al.[13], we did not observe an effect on renal phosphate reabsorption by rhGH treatment. It is well known that GH, at least where mediated by IGF-1 (locally produced in the kidney), stimulates proximal tubular sodium/inorganic phosphate co-transport [15].