Atlanto-axial rotary fixation | Radiology Reference Article ...
2024年9月24日 · In a vertical subluxation, the dens is often above the McGregor line by over 8 mm in men and 9.7 mm in women. CT. On CT, C1 and the head are rotated out of alignment …
Atlantoaxial subluxation | Radiology Case | Radiopaedia.org
Atlantoaxial joint is frequently involved in patients with rheumatoid arthritis. Erosions and pannus formation cause disruption of the supporting structures and eventually lead to atlantoaxial …
Atlanto-axial subluxation | Radiology Case - Radiopaedia.org
Atlanto-axial rotatory subluxation with 10 mm posterior displacement of C1 on C2 the left and widening of the left C1/2 facet joint. Remainder of the facet joints are enlocated and there is no …
Atlanto-occipital dissociation injuries - Radiopaedia.org
2022年11月17日 · atlanto-axial subluxation: atlantoaxial rotatory fixation will cause C1 lateral mass asymmetry relative to the dens. Down syndrome: atlanto-occipital instability due to laxity …
Atlanto-axial articulation | Radiology Reference Article
2024年8月20日 · The atlanto-axial articulation is a complex of three synovial joints, which join the atlas (C1) to the axis (C2).
Atlantoaxial subluxation | Radiology Case | Radiopaedia.org
Steel D Atlantoaxial subluxation. Case study, Radiopaedia.org (Accessed on 03 Jan 2025) https://doi.org/10.53347/rID-44681
Lateral atlantodental instability | Radiology Reference Article ...
2021年3月21日 · Lateral atlantoaxial instability is a subtype of atlantoaxial subluxation, and is a poorly understood entity that may be encountered in post-traumatic and rheumatic patients …
atlanto-axial subluxations | Search | Radiopaedia.org
2015年5月3日 · Atlanto-axial rotary fixation is a disorder of C1-C2 causing impairment in neck rotation. The anterior facet of C1 is fixed on the facet of C2. It may be associated with …
Atlantodental interval | Radiology Reference Article
2024年10月27日 · Measurement. The anterior atlantodental interval is the horizontal distance between the posterior cortex of the anterior arch of the atlas (C1) and the anterior cortex of the …
Anterior subluxation of the cervical spine - Radiopaedia.org
2024年7月19日 · Anterior subluxation of the cervical spine results from posterior ligamentous complex injury, however, there may be an associated posterior intervertebral disc injury and …
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