Question

Which technique is used in neurosurgery to remove the unoperable brain tumours ?

• A. Cryosurgery
• B. CO${}_2$ laser
• C. $\gamma$ -radiation
• D. None of these

Answer 1

Answer: (C)

$\gamma$ -radiation

Gamma knife radiosurgery is a stereotactic procedure that uses hundreds of highly focused gamma radiation beams to target tumors and lesions within the brain. With no surgical incision required, Gamma Knife radiosurgery is especially useful when conventional surgical procedures pose a high risk for patients. So, the correct answer is option C.