This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bone Tumour, Subject name: Orthopaedics
A 60-year-old male has bone pain, vertebral collapse, fracture pelvis, the probable diagnosis is: 
Select and explain. 
A. Multiple myeloma, B. Secondaries, C. TB, D. Hemangioma of bone
B: Secondaries
Answer: B: Secondaries 
Explanation: (b) Secondaries > (a) Multiple myelomaSecondaries > Multiple myeloma- The information in this question arei. Age -- 60 years;ii. Bone pain;iii. Vertebral collapse;iv. Pathological fracture pelvis- All these clinical features can occur both in multiple myeloma and metastatic bone disease, metastasis will be preferred over multiple Myeloma. In >40 years of age.