%0 Journal Article %T Spinal extradural arachnoid cyst in cervicothoracic junction %J - %D 2019 %R https://doi.org/10.1038/s41394-019-0192-x %X Spinal extradural arachnoid cysts (SEACs) are rare expansive lesions that account for ~1% of all spinal tumors. They develop as the result of arachnoid membrane herniation through a small dural defect and are mostly reported to be located at lower thoracic region and thoracolumbar junction %U https://www.nature.com/articles/s41394-019-0192-x