Premalignant bone lesion among the following is –
Correct Answer: Pagets disease
Description: Ans. is 'a' i.e., Pagets disease Paget's disease o Paget s disease is characterized by increased bone turnover and enlargement and thickening of the bone the internal architecture is abnormal and the bone is usually brittle, o Primary defect is in osteolastic. o It is marked by regions of furious osteolastic bone resorption which is followed by a period of hectis bone formation. The net effect is gain in bone mass. o It has the following three stages Initial osteocytic stage Mixed osteoclast osteoblastic stage Burned out quiescent osteosclerotic stage o Following complications can occur in Paget's Increased risk of development of sarcomas (osteosarcoma chondrosarcoma) Fractures in weight bearing bones Osteoarthritis High output cardiac failure Cranial nerve compression Otoscleosis
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