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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Endoscopic transnasal anterior release and posterior reduction without odontoidectomy for irreducible atlantoaxial dislocation

Fig. 2

Illustration of anterior transnasal release. a The choana was entered and the mucosa of the rhinopharynx was dissected. b The posterior nasal septum was removed. c Expose the lateral masses of the atlas with high-speed drills. d Expose the lateral masses of the axis. Note: NS, nasal septum; D, drill; C1LM, lateral masses of the atlas; C2LM, lateral masses of the axis

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X