Occipitalization of the atlas vertebra is an important congenital malformation of the craniovertebral region due to its proximity to the spinomedullary region, which can produce narrowing of the foramen magnum and compression of the spinal cord or brainstem. Rarely, it also results in compression of the vertebral artery, leading to dizziness, convulsions and syncope. Therefore, knowledge of such an anomaly is essential for orthopedists, anesthesiologists and clinicians.
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José Aderval Aragão (2023) studied this question.
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