True about paget's disease -a) Common in young girl 10-16 yr of ageb) ↑ALPc) Associated with hypercalcemia & hypophosphatemiad) More common in femalee) Associated with chondrosarcoma

Paget's disease occurs after 40 years of age and is more common in males. Alkaline phosphatase (ALP) is raised and calcium & phosphate are normal. The usual malignancy complicating Paget's disease is osteosarcoma. There are some reports of cases of chondrosarcoma as a complication of Paget's disease.