“…8,[10][11][12]21 The absent pedicle is typically evident on plain radiographs, although additional imaging with CT, myelography, or MR may be necessary, particularly in the case of a single missing pedicle, in order to rule out malignancy, vascular anomaly, or inflammatory disease. 4,5,20 Images of pedicle aplasia typically demonstrate an abnormally enlarged neural foramen filled with fat and fibrous tissue. 19,20 When a single pedicle is involved, the contralateral pedicle is often hypertrophied.…”