our-induced, Fanconi's syndrome, phosphate depletion, metals such as cadmium and lead that may lead to renal phosphate wasting.Systemic acidosis, renal tubular acidosis.Intoxication with diphosphonate, fluoride, aluminum (caused by excessive antacid ingestion, or in fluids used in dialysis).Autonomous hyperparathyroidism presenting as vitamin D-deficient osteomalacia.Mesenchymal tumour - oncogenic