Lateral medullary syndrome is caused by thrombosis of-
* Dorsolateral pa of the medulla is suplied by posterior inferior cerebellar aery ,which usually a branch of veebral aery *thrombosis of posterior inferior cerebellar aery ,therfore effects a wedge shaped area on the dorsolateral aspects of medulla and the inferior surface of cerebellum produce lateral medullary syndrome of wallenberg. Ref Harrison20th edition pg 2435
Anterior inferior cerebral aery
Posterior interior cerebellar aery
Veebral aery
Basilar aery
C.N.S