This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skeletal infections, Subject name: Anatomy
Most common tumor producing osteoclastic metastasis 
Select and explain. 
A. Kidney, B. Lung, C. Prostrate, D. Thyroid
C: Prostrate
Answer: C: Prostrate 
Explanation: Osteoblastic lesions are uncommon, they are usually are seen in prostatic carcinoma. However some other tumors may also produce Osteoblastic secondaries Refer ohopedic nuclear medicine 1st /e p 154