Which of the following nerve is first affected in berry aneurysm:: (A) 3 rd nerve, (B) 4th nerve, (C) 5th nerve, (D) 6th nerve
Answer is A. Ans.(a) 3rd nerveRef: Harrison 19th ed. /1784-85* Most common cranial nerve affected in unruptured berry aneurysm is the 3rd cranial nerve which will present as ipsilateral ptosis, diplopia and strabismus.