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2. Paget’s disease
Elevated alkaline phosphatase; normal/hypercalcemia; hydroxyproline
3 phases Cx- malignant
degeneration (~1%) Osteosarcoma>
fibrosarcoma, MFH, chondrosarcoma
5. Plasmacytoma
Malignant proliferation of plasma cell
Early stage of multiple myeloma
Bence Jones proteinuria; A/G ratio; Hypercalcemia; normochromic normocytic anemia
20% 5-yr survival rate
6. Osteosarcoma
10-25; 60-75 Lung
metastases (15%); Skeletal mets uncommon
Malignant degeneration from radiation, paget’s