Atlanto-occipital fusion: An osteological study with clinical implications

Background: Atlanto-occipital fusion may be symptomatic or asymptomatic in nature. The anomaly may be incidentally detected at autopsies or during routine cadaveric dissections. The fusion of the atlas with occipital bone may result in the compression of vertebral artery and first cervical nerve. Me...

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Main Authors: Kassim, Normadiah M., Latiff, A.A., Das, Srijit, Ghafar, N.A., Suhaimi, F.H., Othman, F., Hussan, F., Sulaiman, I.M.
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Published: University of Comenius 2010
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spelling my.um.eprints.153502019-12-23T08:09:27Z http://eprints.um.edu.my/15350/ Atlanto-occipital fusion: An osteological study with clinical implications Kassim, Normadiah M. Latiff, A.A. Das, Srijit Ghafar, N.A. Suhaimi, F.H. Othman, F. Hussan, F. Sulaiman, I.M. R Medicine Background: Atlanto-occipital fusion may be symptomatic or asymptomatic in nature. The anomaly may be incidentally detected at autopsies or during routine cadaveric dissections. The fusion of the atlas with occipital bone may result in the compression of vertebral artery and first cervical nerve. Methods: A total of 55 dried occipital bones in the Department of Anatomy, Universiti Kebangsaan Malaysia (UKM) and Department of Anatomy, Universiti Malaya (UM) were included in the study. The presence of atlanto-occipital fusion was closely observed and morphometric measurements were taken. Results: Out of 55 dried occipital bones studied, we observed atlanto-occiptalization in two bones (3.63 %). A total of 53 occipital bones (96.37 %) did not exhibit any anomalous fusions. Out of the two anomalous atlanto-occiptal fusions, one was complete while the other had unilateral right-sided fusion of the atlas with the occipital bone. Conclusion: Atlanto-occipitalization may result in the compression of vertebral artery thereby influencing the blood flow to the brain. Atlanto-occipitalization may also result in compression of the first cervical nerve. The action of the postural muscles on the extensor surface may be affected as a result of this anomaly. The present article discusses the clinical implications of atlanto-occipitalization, which may be beneficial for neurosurgeons, neurologists and radiologists in day-to-day clinical practice (Fig. 3, Ref. 17). Full Text in free PDF www.bmj.sk. University of Comenius 2010 Article PeerReviewed Kassim, Normadiah M. and Latiff, A.A. and Das, Srijit and Ghafar, N.A. and Suhaimi, F.H. and Othman, F. and Hussan, F. and Sulaiman, I.M. (2010) Atlanto-occipital fusion: An osteological study with clinical implications. Bratislava Medical Journal, 111 (10). pp. 562-565.
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic R Medicine
spellingShingle R Medicine
Kassim, Normadiah M.
Latiff, A.A.
Das, Srijit
Ghafar, N.A.
Suhaimi, F.H.
Othman, F.
Hussan, F.
Sulaiman, I.M.
Atlanto-occipital fusion: An osteological study with clinical implications
description Background: Atlanto-occipital fusion may be symptomatic or asymptomatic in nature. The anomaly may be incidentally detected at autopsies or during routine cadaveric dissections. The fusion of the atlas with occipital bone may result in the compression of vertebral artery and first cervical nerve. Methods: A total of 55 dried occipital bones in the Department of Anatomy, Universiti Kebangsaan Malaysia (UKM) and Department of Anatomy, Universiti Malaya (UM) were included in the study. The presence of atlanto-occipital fusion was closely observed and morphometric measurements were taken. Results: Out of 55 dried occipital bones studied, we observed atlanto-occiptalization in two bones (3.63 %). A total of 53 occipital bones (96.37 %) did not exhibit any anomalous fusions. Out of the two anomalous atlanto-occiptal fusions, one was complete while the other had unilateral right-sided fusion of the atlas with the occipital bone. Conclusion: Atlanto-occipitalization may result in the compression of vertebral artery thereby influencing the blood flow to the brain. Atlanto-occipitalization may also result in compression of the first cervical nerve. The action of the postural muscles on the extensor surface may be affected as a result of this anomaly. The present article discusses the clinical implications of atlanto-occipitalization, which may be beneficial for neurosurgeons, neurologists and radiologists in day-to-day clinical practice (Fig. 3, Ref. 17). Full Text in free PDF www.bmj.sk.
format Article
author Kassim, Normadiah M.
Latiff, A.A.
Das, Srijit
Ghafar, N.A.
Suhaimi, F.H.
Othman, F.
Hussan, F.
Sulaiman, I.M.
author_facet Kassim, Normadiah M.
Latiff, A.A.
Das, Srijit
Ghafar, N.A.
Suhaimi, F.H.
Othman, F.
Hussan, F.
Sulaiman, I.M.
author_sort Kassim, Normadiah M.
title Atlanto-occipital fusion: An osteological study with clinical implications
title_short Atlanto-occipital fusion: An osteological study with clinical implications
title_full Atlanto-occipital fusion: An osteological study with clinical implications
title_fullStr Atlanto-occipital fusion: An osteological study with clinical implications
title_full_unstemmed Atlanto-occipital fusion: An osteological study with clinical implications
title_sort atlanto-occipital fusion: an osteological study with clinical implications
publisher University of Comenius
publishDate 2010
url http://eprints.um.edu.my/15350/
_version_ 1654960666507739136
score 13.211869