Digital subtraction angiography showed an abnormal blood supply from the posterior spinal branch of the left T9 artery.

Results Among the 7 patients, 2 patients the lesions were in the cervical and 5 patients lesions were in thoracic. 5 on anterior spinal artery and 2 on posterior spinal artery.

Posterior Inferior Cerebellar Artery Infarction: an Unusual Complication of Posterior Spinal Fusion Surgery in an Adolescent with Idiopathic Scoliosis.