Not true about bone metastasis
Ans is 'd' ie soft tissue sarcomas causes bony metastasis Most common cause of osteoblastic metastasisIn males--- Prostate Cancer In Females-- Breast CancerSkeletal sites most frequently involvedSpine > proximal femur > pelvis > ribs > sternum > proximal humerus > skullLytic expansile metastasis seen inRenal Cancer Thyroid carcinomasOsteolytic lesions are associated with hypercalcemia and excretion of hydroxyproline - containing peptides.Osteoblastic lesions are associated with increased levels of serum alkaline phosphatase.Metastasis distal to knee and elbow is rare and usually arises from a primary tumors of theBronchus Colon or Bladder
Uncommon distal to elbow and knee.
Breast secondary may be osteoblastic
Renal cell carcinoma secondary are expansile
Soft tissue sarcoma causes bony metastasis.
Orthopedics