| Autor: |
Pathinathan, Kalaventhan, Kulkarni, Vinay, Diwan, Ashish |
| Zdroj: |
International Journal of Surgery Case Reports; Aug2023, Vol. 109, pN.PAG-N.PAG, 1p |
| Abstrakt: |
Atlanto-occipital assimilation is a rare congenital abnormality which can cause atlantoaxial instability. Basilar invagination and instability can lead to cord compression and myelopathy in young individuals. A 37-year-old male presented with gradually worsening axial neck pain for four years duration His deep tendon reflexes are exaggerated in all four limbs but there is no weakness or imbalance. Following radiological evaluation, he was diagnosed to have partial atlantooccipital assimilation causing atlantoaxial instability, basilar invagination and early myelopathy. He was treated with occipital-cervical fusion after the closed reduction of the atlantoaxial joint. Atlanto-axial assimilation can lead to atlantoaxial instability and subsequently myelopathy. Dynamic radiographs and computed tomography are helpful in the diagnosis. Reducible atlantoaxial instability can be managed with closed reduction and occipitocervical fusion. • Atlanto-occipital assimilation is a rare congenital condition which leads to atlantoaxial instability. • Dynamic radiographs, computed tomography and MRI helps diagnose this condition. • Late presentation or missed diagnosis can lead to myelopathy. • No recommended treatment is available as it is a rare condition • Occipito-cervical fusion is a safe treatment due to the rudimentary nature of the atlas and the risk of failure of atlantoaxial fusion. [ABSTRACT FROM AUTHOR] |
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