[1,25-(OH)2-D3 treatment of hypophosphoremic osteomalacia associated with villonodular synovitis]

The authors report a case of hypophosphoremic osteomalacia due to a soft tissue tumor. This case confirm 1,25 (OH)2 cholecalciferol deficiency. Treatment with phosphorus and 1,25 (OH)2 cholecalciferol cured osteomalacia. Accountable tumor (villonodular synovitis) had never been described previously.