Atlas assimilation: A case report

Ann Vinod Ranade, Rajalakshmi Rai, Latha Venketraya Prabhu, Mangala Kumaran, Mangala M. Pai

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Congenital and acquired bony abnormalities of the cranio-vertebral junction may result in compression and distortion of the neural structures, vertebro-basilar vascular system, and cerebrospinal fluid channels. Ninety-eight human skulls of both sexes were examined for occipitalization of atlas. Two crania showed various degrees of assimilation of the atlas to the basicranium. One of the skulls showed complete fusion of the atlas with the occipital bone. Whereas, in the other skull atlas was partially fused to the occipital bone. Even though assimilation of the atlas is the most common anomaly found in cranio-cervical junction, head and neck surgeons should be aware that such an anomaly may exist without any typical symptomatic presentation, and thus, serious consequences of upper cervical spinal manipulative therapy may arise when a complete and adequate clinical assessment is missed.

Original languageEnglish
Pages (from-to)32-33
Number of pages2
JournalNeuroanatomy
Volume6
Publication statusPublished - 2007

Fingerprint

Atlases
Skull
Occipital Bone
Musculoskeletal Manipulations
Skull Base
Blood Vessels
Cerebrospinal Fluid
Neck
Head

All Science Journal Classification (ASJC) codes

  • Anatomy
  • Clinical Neurology

Cite this

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abstract = "Congenital and acquired bony abnormalities of the cranio-vertebral junction may result in compression and distortion of the neural structures, vertebro-basilar vascular system, and cerebrospinal fluid channels. Ninety-eight human skulls of both sexes were examined for occipitalization of atlas. Two crania showed various degrees of assimilation of the atlas to the basicranium. One of the skulls showed complete fusion of the atlas with the occipital bone. Whereas, in the other skull atlas was partially fused to the occipital bone. Even though assimilation of the atlas is the most common anomaly found in cranio-cervical junction, head and neck surgeons should be aware that such an anomaly may exist without any typical symptomatic presentation, and thus, serious consequences of upper cervical spinal manipulative therapy may arise when a complete and adequate clinical assessment is missed.",
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Ranade, AV, Rai, R, Prabhu, LV, Kumaran, M & Pai, MM 2007, 'Atlas assimilation: A case report', Neuroanatomy, vol. 6, pp. 32-33.

Atlas assimilation : A case report. / Ranade, Ann Vinod; Rai, Rajalakshmi; Prabhu, Latha Venketraya; Kumaran, Mangala; Pai, Mangala M.

In: Neuroanatomy, Vol. 6, 2007, p. 32-33.

Research output: Contribution to journalArticle

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T1 - Atlas assimilation

T2 - A case report

AU - Ranade, Ann Vinod

AU - Rai, Rajalakshmi

AU - Prabhu, Latha Venketraya

AU - Kumaran, Mangala

AU - Pai, Mangala M.

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AB - Congenital and acquired bony abnormalities of the cranio-vertebral junction may result in compression and distortion of the neural structures, vertebro-basilar vascular system, and cerebrospinal fluid channels. Ninety-eight human skulls of both sexes were examined for occipitalization of atlas. Two crania showed various degrees of assimilation of the atlas to the basicranium. One of the skulls showed complete fusion of the atlas with the occipital bone. Whereas, in the other skull atlas was partially fused to the occipital bone. Even though assimilation of the atlas is the most common anomaly found in cranio-cervical junction, head and neck surgeons should be aware that such an anomaly may exist without any typical symptomatic presentation, and thus, serious consequences of upper cervical spinal manipulative therapy may arise when a complete and adequate clinical assessment is missed.

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