Fig. 4From: Klippel-Feil syndrome with multiple skeletal anomalies, Dandy-Walker spectrum, and occipital cephalocele—a rare presentationa Non-contrast sagittal reformatted CT image shows hypoplastic odontoid process with associated atlantoaxial instability and increased atlanto-dens interval. b Axial non-contrast CT image shows and anterior arch cleft and midline cleft in the posterior arch of atlas suggestive of type A defect. c Coronal reformatted CT image shows hypoplasia of right occipital condyle (white arrow) with widened Schmidt Fischer angle. d Sagittal T2- weighted MRI image of the same patient showing kinking of cervicomedullary junction with obliteration of anterior and posterior subarachnoid spacesBack to article page