Background: We report the first case of retro-odontoid pseudotumor with an isolated symptom of C2-C3 dysesthesia triggered by a traumatic event.
Case Presentation: An 86-year-old man, who was a wood craftsman for more than 50 years, presented to the emergency room with sudden-onset severe posterior head and neck dysesthesia after accidentally falling backward. No neurological impairment of the extremities was noted. Computed tomography revealed a C2-C7 osteophyte formation, mainly in front of the vertebral bodies. Moreover, magnetic resonance imaging showed cervical spinal cord compression by a soft tissue mass posterior to the odontoid process of the axis. Therefore, we diagnosed a cervical spine injury with an isolated symptom of C2-C3 dysesthesia due to a retro-odontoid pseudotumor. He did not undergo surgical intervention and was transferred to a rehabilitation hospital on day 11 for pain control.
Conclusion: Our report could be useful to emergency physicians dealing with similar cases of cervical symptoms following trauma.
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http://dx.doi.org/10.1002/ams2.685 | DOI Listing |
Purpose: To identify clinical and MR predictors of retro-odontoid pseudotumor (ROP) regression after posterior fixation in patients with atlantoaxial instability.
Materials And Methods: We included patients who had undergone posterior fixation for atlantoaxial instability and preoperative and postoperative MR imaging. Patients were classified into two groups according to the degree of ROP regression after posterior fixation: regression (≥ 10% reduction) and no regression (< 10% reduction).
Cureus
June 2024
Department of Orthopedic Surgery, Kurashiki Central Hospital, Okayama, JPN.
Introduction Surgical treatments for retro-odontoid pseudotumors (ROPs) include C1 laminectomies and C1-2 and occipitocervical (OC) fusions. When a C1 laminectomy is combined with a C1-2 fusion, concerns arise regarding an increased risk of pseudarthrosis due to decreased bone grafting space. Extension of the fusion area to the OC region may be considered to ensure an adequate bone graft bed.
View Article and Find Full Text PDFWorld Neurosurg
September 2024
Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA.
Spine (Phila Pa 1976)
October 2024
Department of Orthopaedic Surgery, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan.
Study Design: Multicenter case-control study.
Objective: To identify imaging characteristics of the cervical spine in patients with retro-odontoid pseudotumor (ROP) without rheumatoid arthritis (RA) and determine the pathogenesis of ROP.
Background: ROP results from proliferative changes in the soft tissue of the atlantoaxial junction surrounding the region of the transverse ligament, and is commonly seen in RA patients.
Oral Surg Oral Med Oral Pathol Oral Radiol
March 2024
Division of Oral and Maxillofacial Radiology, University of Connecticut School of Dental Medicine, Farmington, CT, USA.
Objectives: We calculated the prevalence of unsuspected retro-odontoid pseudotumor (ROP) as detected in cone beam computed tomography (CBCT) examinations. Additionally, we examined patient age, sex, and presence and severity of cervical osteoarthritis (OA) as potential risk factors for ROP.
Study Design: We retrospectively analyzed de-identified CBCT scans of 455 patients from the Division of Oral and Maxillofacial Radiology at the University of Connecticut School of Dental Medicine.
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