| A hereditary renal phosphate-wasting disorder characterized by hypophosphatemia and hypercalciuria associated with rickets and/or osteomalacia. Other features include slow growth, short stature, skeletal deformities, muscle weakness and bone pain that are associated with normal or elevated plasma levels of calcitriol and hyperphosphaturia. Caused by homozygous or compound heterozygous mutations in the SLC34A3 gene encoding a sodium-dependent phosphate transporter (NaPi-IIc/NPT2c). Transmission is autosomal recessive. |
