“…4,13 Pedicle aplasia most frequently occurs in the cervical or lumbar spine, although thoracic pedicle aplasia has also been described. [2][3][4][5]8,13,15,17,18,20 Most commonly, only one pedicle and one vertebral level are involved. 13,20 Bilateral pedicle aplasia of multiple vertebrae appears to be exceedingly rare, with one prior case report in the literature.…”