Atlas posterior arch defect with Atlanto-occipital assimilation: Two case reports highlighting fracture mimicry and retro-odontoid pseudotumor

Coexisting AOA and Currarino Type A posterior arch defect have practical implications for neurosurgical decision-making: Accurate fracture differentiation in trauma settings and recognition that ROPT may regress following stabilization.

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Publication Details

Journal
Surgical Neurology International
Published
2026-01-30
DOI
https://doi.org/10.25259/sni_1397_2025
Primary Topic
Spinal Fractures and Fixation Techniques
Type
article
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article

Atlas posterior arch defect with Atlanto-occipital assimilation: Two case reports highlighting fracture mimicry and retro-odontoid pseudotumor

Masahiro Kawanishi, Akira Sugie, Naokado Ikeda, Yutaka Ito et al.
Surgical Neurology International
Spinal Fractures and Fixation Techniques
article

Atlas posterior arch defect with Atlanto-occipital assimilation: Two case reports highlighting fracture mimicry and retro-odontoid pseudotumor

Masahiro Kawanishi, Akira Sugie, Naokado Ikeda, Yutaka Ito, Hidekazu Tanaka, Makoto Yamada, Kunio Yokoyama
article en

Abstract

Coexisting AOA and Currarino Type A posterior arch defect have practical implications for neurosurgical decision-making: Accurate fracture differentiation in trauma settings and recognition that ROPT may regress following stabilization.

Surgical Neurology InternationalVol. 17
Ijinkai Takeda General Hospital (JP)
Peace, Justice and strong institutions
Openalex Percentile: Top 72%
Spinal Fractures and Fixation Techniques
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