Radiology All of the following are indications for Gamma Knife Radiosurgery EXCEPT A Trigeminal neuralgia B Acoustic neuroma C Arteriovenous malformation D Brain tumours or lesions 4 cm or larger in diameter 💡 Explanation All of the following are indications for Gamma Knife Radiosurgery EXCEPT ✓ Correct Answer: D. Brain tumours or lesions 4 cm or larger in diameter