Postoperative regression of retro-odontoid pseudotumor after atlantoaxial posterior fixation: 11 years of experience in patients with atlantoaxial instability

JH Park, E Lee, JW Lee, Y Kang, JM Ahn, JS Yeom… - Spine, 2017 - journals.lww.com
Study Design. Case series study. Objective. The aim was to investigate the incidence of retro-
odontoid pseudotumor in patients with atlantoaxial instability (AAI) and evaluate …

Thinking beyond pannus: a review of retro-odontoid pseudotumor due to rheumatoid and non-rheumatoid etiologies

J Shi, J Ermann, BN Weissman, SE Smith… - Skeletal Radiology, 2019 - Springer
Retro-odontoid pseudotumor, or mass-like retro-odontoid soft tissue thickening, is an
uncommon but important imaging finding that may be associated with rheumatoid arthritis …

Biomechanics of the effect of subaxial cervical spine degeneration on atlantoaxial complex in idiopathic retro-odontoid pseudotumor development

Q Chen, J Chen, F Chen, X Lu, B Ni, Q Guo - Clinical Neurology and …, 2021 - Elsevier
Objectives Retro-odontoid pseudotumor (ROP), with no rheumatoid arthritis, atlantoaxial
instability, or other primary diseases, is defined as idiopathic retro-odontoid pseudotumor …

Retro-odontoid and retro-C2 body pseudotumor, pannus, and/or cyst. A study based on analysis of 63 cases

A Goel, H Darji, A Shah, A Prasad, A Hawaldar - World Neurosurgery, 2021 - Elsevier
Objective The potential significance of relationship of atlantoaxial instability with retro-
odontoid pseudotumor, pannus, and/or cyst (RPC) is analyzed. Methods We searched the …

[HTML][HTML] Retro-odontoid pseudotumor formation in the context of various acquired and congenital pathologies of the craniovertebral junction and surgical techniques

B Fiani, R Houston, I Siddiqi, M Arshad, T Reardon… - Neurospine, 2021 - ncbi.nlm.nih.gov
Retro-odontoid pseudotumor formation consists of an abnormal growth of granulation tissue
typically posterior to the odontoid process, resulting as a manifestation of atlantoaxial …

Post-operative regression of retro-odontoid pseudotumors treated with and without fusion

K Kobayashi, S Imagama, K Ando, Y Nishida… - European Spine …, 2018 - Springer
Purpose Retro-odontoid pseudotumor is common in elderly people and is a cause of
cervical myelopathy. The goal of the study was to investigate surgical procedures, outcomes …

[HTML][HTML] Retro-odontoid pseudotumor in a patient with atlanto-occipital assimilation

A Buttiens, J Vandevenne… - Journal of the Belgian …, 2018 - ncbi.nlm.nih.gov
A retro-odontoid pseudotumor is an uncommon non-neoplastic mass. They are mostly
associated with rheumatoid arthritis and atlanto-axial subluxation. The pathogenesis is …

Retro-odontoid degenerative pseudotumour causing spinal cord compression and myelopathy: Current evidence on the role of posterior C1–C2 fixation in treatment

F Certo, M Maione, M Visocchi… - … Updates for a New State of …, 2019 - Springer
Background: A retro-odontoid pseudotumour compressing the spinal cord and causing
myelopathy is often associated with an inflammatory condition such as rheumatoid arthritis …

Cervical myelopathy caused by non-rheumatic retro-odontoid pseudotumor: an investigation of underlying mechanisms and optimal surgical strategy

M Takahata, R Hyakkan, S Oshima, I Oda… - Global Spine …, 2022 - journals.sagepub.com
Study Design Retrospective case-control study. Objective This study aimed to identify the
underlying pathologies of non-rheumatic retro-odontoid pseudotumors (NRPs), which would …

Clinical and radiographic outcomes of C1 laminectomy without fusion in patients with cervical myelopathy that is associated with a retro-odontoid pseudotumor

M Takemoto, M Neo, S Fujibayashi… - Clinical spine …, 2016 - journals.lww.com
Purpose: A retro-odontoid pseudotumor that is not associated with rheumatoid arthritis or
hemodialysis is clinically rare. The majority of surgeons select transoral resection as the …