title: Case report 332: A complex anomaly of the craniovertebral junction representing a regressive malformation with agenesis of the neural arch of C-2, hypomorphogenesis at C5-C6 and instability of the upper cervical spine.
mesh_terms: D000328:Adult; D001268:Atlanto-Axial Joint / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002574:Cervical Vertebrae / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D014057:Tomography, X-Ray Computed