School ager with Ehler Danlos syndrome being cleared for general anesthesia Pediatric Imaging Neurological April 30, 2026February 27, 2026 Lateral radiograph of the cervical spine in extension (left) shows the atlanto dental interval to measure 0 mm. Lateral radiograph of the cervical spine in flexion (right) shows the atlanto dental interval to measure 7 mm. The diagnosis was atlanto axial instability in a patient with Ehlers Danlos syndrome. Related Published April 30, 2026February 27, 2026