This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
A 50-year-old man suffering from carcinoma of prostate showed areas of sclerosis and collapse of T10 and T 11 veebrate was most probably through 
Select and explain. 
A. Sacral canal, B. Lymphatic vessel, C. Internal veebral plexus of veins, D. Superior rectal
C: Internal veebral plexus of veins
Answer: C: Internal veebral plexus of veins 
Explanation: Communication exists between prostatic &veebral venous plexus through which prostatic carcinoma spread to veebral column.