This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Most common site for the osteoporotic veebral fracture is ? 
Select and explain. 
A. Dorsolumbar spine, B. Cervical spine, C. Lumbosacral spine, D. Dorsal spine
A: Dorsolumbar spine
Answer: A: Dorsolumbar spine 
Explanation: Ans. is 'a' i.e., Dorsolumbar spine Osteoporosis is an asymptomatic disorder unless complications (predominantly fractures) occur. Most common symptom of osteoporosis is back pain secondary to veebral compression fracture. Dorso-lumbar spine is the most frequent site. Other common sites of fracture are lower end radius (Colle's fracture) and fracture neck femur. Osteoporotic fracture (fragile fractures) are : (i) Fracture veebrae (most common), (ii) Colle's fracture, (iii) Fracture neck femur. Serum calcium, phosphate and alkaline phosphatase are normal in osteoporosis.