AU - Raghavendra, S AU - Vasudha, K AU - Shankar, S TI - Isolated trochlear nerve palsy with midbrain hemorrhage PT - BRIE DP - 2010 Jan 1 TA - Indian Journal of Ophthalmology PG - 66-67 VI - 58 IP - 1 4099- https://journals.lww.com/ijo/pages/default.aspx/article.asp?issn=0301-4738;year=2010;volume=58;issue=1;spage=66;epage=67;aulast=Raghavendra;type=0 4100- https://journals.lww.com/ijo/pages/default.aspx/article.asp?issn=0301-4738;year=2010;volume=58;issue=1;spage=66;epage=67;aulast=Raghavendra AB - Midbrain hemorrhage causing isolated fourth nerve palsy is extremely rare. Idiopathic, traumatic and congenital abnormalities are the most common causes of fourth nerve palsy. We report acute isolated fourth nerve palsy in an 18-year-old lady due to a midbrain hemorrhage probably due to a midbrain cavernoma. The case highlights the need for neuroimaging in selected cases of isolated trochlear nerve palsy.