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- Title
Resolution of retro-odontoid cyst in a patient with atlanto-occipital assimilation after occipitocervical fixation.
- Authors
Masahiro Kawanishi; Yutaka Ito; Hidekazu Tanaka; Kunio Yokoyama; Makoto Yamada; Sugie, Akira
- Abstract
Background: Fusion of the atlas with the lower part of the occiput is clinically known as atlanto-occipital assimilation (AOA) or atlas occipitalization. This can be either partial or complete depending on the extent of fusion. AOA is one of the most common congenital anomalies of the craniovertebral junction and is usually asymptomatic. Case Description: An 80-year-old female presented with a retro-odontoid cyst in conjunction with AOA. Following posterior occipitocervical fixation without resection of the cyst, the patient improved, and the postoperative MR documented cyst resolution. Case Description: An 80-year-old female presented with a retro-odontoid cyst in conjunction with AOA. Following posterior occipitocervical fixation without resection of the cyst, the patient improved, and the postoperative MR documented cyst resolution.
- Subjects
ATLANTO-occipital joint; CONGENITAL disorders; HUMAN abnormalities
- Publication
Journal of Clinical Imaging Science, 2021, Vol 11, p1
- ISSN
2156-7514
- Publication type
Article
- DOI
10.25259/SNI_688_2020