scholarly journals Unilateral atlantoaxial pseudoarticulation: A case report, literature review, and proposed mechanism

2020 ◽  
Vol 11 ◽  
pp. 20
Author(s):  
Ryan G. Eaton ◽  
Stephanus V. Viljoen

Background: Atlantoaxial pseudoarticulation rarely involves the cervical spine, and its etiology is unclear. In theory, pseudoarticulation is comparable to Bertolotti’s syndrome in the lumbar spine or may be attributed to an aberrant focal fusion between C0-C1-C2 that occurs during the gastrulation of embryologic development. Case Description: A 39-year-old female presented with neck pain and upper extremity weakness. Magnetic resonance/computed tomography studies documented a left-sided unilateral pseudoarticulation between the lamina of C1 and C2 causing compression of the dorsal spinal cord. Following resection of the accessory C1/C2 joint utilizing a C1 hemilaminectomy and partial C2 laminectomy, the patient’s neck pain and weakness resolved. Histologically, the tissue showed benign osteocartilaginous tissue with no synovial capsule. Conclusion: Here, the authors present a case of occiput-C1-C2 pseudojoint formation, leading to clinical and radiographic findings of cord compression due to boney outgrowth.

2020 ◽  
Vol 2020 (12) ◽  
Author(s):  
Diogo Belo ◽  
Joaquim Cruz Teixeira ◽  
José Pedro Lavrador

Abstract Brown-Séquard syndrome (BSS) is a rare neurological condition caused by a hemi-lesion of the spinal cord and was first described in the 1800s. BSS is characterized by an ipsilateral absence of motor control and discriminatory/proprioceptive/vibratory sensation at and below the spinal level involved, associated with loss of contralateral temperature and pain sensation a couple of vertebral segments below the lesion. BSS is commonly associated with trauma, but can also be iatrogenic. The authors report a case of a patient who presented with neoplastic dorsal spinal cord compression and developed a BSS after surgical decompression and review of the literature of postoperative BSS cases.


Author(s):  
Haruki Funao ◽  
Satoshi Nakamura ◽  
Kenshi Daimon ◽  
Norihiro Isogai ◽  
Yutaka Sasao ◽  
...  

2019 ◽  
Vol 24 ◽  
pp. 100863
Author(s):  
Mehdi Borni ◽  
Brahim Kammoun ◽  
Fatma Kolsi ◽  
Mohamed Zaher Boudawara

Neurosurgery ◽  
1989 ◽  
Vol 25 (3) ◽  
pp. 472-475 ◽  
Author(s):  
Dennis Y. Wen ◽  
Thomas A. Bergman ◽  
Stephen J. Haines

Abstract A case of hereditary multiple exostoses with acute cervical myelopathy, tetraplegia, and apnea is reported. Neurological complications as a result of osteochondromas in hereditary multiple exostoses are rare. The majority of osteochondromas in the cervical spine arise from the neural arch. Magnetic resonance imaging and computed tomography are invaluable in localizing the origin of the lesion and its relationship to the spinal cord. Decompressive laminectomy usually results in excellent functional recovery. Where significant dorsal spinal cord compression exists without neurological deficit, prophylactic decompression can be recommended.


2021 ◽  
Vol 16 (1) ◽  
pp. 13-17
Author(s):  
Brecht Van Berkel ◽  
Jan Vandevenne ◽  
Riet Vangheluwe ◽  
Sofie Van Cauter

2012 ◽  
Vol 45 (4) ◽  
pp. 535-537
Author(s):  
Maria Isabela Alves Ramos ◽  
Jair Almeida Carneiro ◽  
Fabiano de Oliveira Poswar ◽  
Daniella Cristina Nassau ◽  
Fernando Antônio Colares

Actinomycosis is a rare, chronic, suppurative, granulomatous infection caused by a group of gram-positive anaerobic bacteria belonging to the natural flora of the oral cavity and gastrointestinal and urogenital tracts. It may involve several organs. This case study refers to pulmonary actinomycosis with chest wall involvement and cord compression in a 29-year-old male who presented with fever, cough, hemoptysis, neck pain, and paresis and plegia of the lower limbs of 5-month duration.


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