3Calvy TM, Segall HD, Gilles FH, et al. CT anatomy of the craniovertebral junction in infants and children [J]. AJNR, 1987, 8(3): 489-494.
4Kim HJ. Cervical spine anomalies in children and adolesents [J]. Curr Opin Pediatr, 2013, 25(1): 72-77.
5Ozer T, Uzun L, Numanolu V, et al. 3D-CT investigation of craniofacial and cervical spine anomalies in congenital muscular torticollis [J]. Tani Girisim Radyol, 2004, 10(4): 272-9.
6Mufiiz AE, Belfer RA. Atlantoaxial rotary subluxation in children [J]. Pediatr Emerg Care, 1999, 15(1): 25-29.
7Neal KM, Mohamed AS. Atlantoaxial rotatory subluxation in children [J]. J Am Acad Orthop Surg, 2015, 23(6): 382-392.
8Subach BR, Mclaughlin MR, Albright AL, et al. Current management of pediatric atlantoaxial rotatory subluxation [J]. Spine, 1976, 23(20): 2174-2179.
9Pang D, Li V. Atlantoaxial rotatory fixation: part 3: a pros- pective study of the clinical manifestation, diagnosis, management, and outcome of children with alantoaxial rotatory fixation [J]. Neurosurgery, 2005, 57(5): 954-972.
10Landi A, Pietrantonio A, Marotta N, et al. Atlantoaxial rotatory dislocation (AARD) in pediatric age: MRI study on conservative treatment with Philadelphia collar-experience of nine consecutive cases [J]. Eur Spine J, 2012, 21(Suppl 1): $94-$99.