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KMID : 0378019680110110109
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New Medical Journal
1968 Volume.11 No. 11 p.109 ~ p.112
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Two Cases of the Congenital Atlanto-occipital Assimilation
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Abstract
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Author observed two cases of atlanto-occipital assimilations in adult skulls in Korean.
In the first case, the atls and the occipital bone was completely fused, being separated only between occipital bone and left transverse process of the atlas and occipital bone had depression upon the pars basilaris.
Thus it could be said type Ⅱ after the classification of Blomquist and Ingelmark method. It was also fused between the axis and the third cervical vertebra
In the second case, the atalnto occipital articulation was completely fused and the right part of the arcus anterior and posterior of the atlas was also completely fused with the corresponding margin of the foramen magnum, but the depression upon the pars basilaris of the occipital -bone could not, be seen. Thus it could be said type 1f after the classification of Blomquist and Ingeluiark method. ,
According to Bystrow´s method the two cases described above_it.could be said the congenital type of the atlanto-occipital assimilation.
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KEYWORD
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