A 49-year-old man suffering from carcinoma of the prostate was x -rayed. He showed areas of sclerosis and collapse of T10 and T11 vertebrae in x-ray. The spread of this cancer to the above vertebrae was through –
Correct Answer: Internal vertebral plexus of veins
Description: Prostatic cancer spreads to the bones through blood vessels; first into Batson's periprostatic venous plexus and then into the internal vertebral plexus of veins.
This metastasis is possible because of valveless communication between the periprostatic and vertebral plexus of veins.
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