Avulsion of the cervical spinal ring apophyses : acute and chronic appearance

Avulsion of the cervical spinal ring apophyses : acute and chronic appearance

Avulsion of the superior or inferior ring apophyses of the cervical spine was found in 12 of 1922 patients aged 10-20 years. Clinical and radiological follow-up of 9 of these patients was undertaken 3-25 years after trauma. Avulsion of the superior apophysis occurs after flexion, while extension tra...

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Bibliographic Details
Published in:Skeletal radiology Vol. 20; no. 3; pp. 207 - 210
Main Authors: JONSSON, K, NIKLASSON, J, OLOV JOSEFSSON, P
Format: Journal Article
Language:English
Published: Berlin Springer 01-01-1991
Subjects:
Adolescent
Biological and medical sciences
Cervical Vertebrae - diagnostic imaging
Cervical Vertebrae - injuries
Child
Female
Follow-Up Studies
Humans
Injuries of the limb. Injuries of the spine
Male
Medical sciences
Radiography
Time Factors
Traumas. Diseases due to physical agents
Human
Osseous epiphysis
Disease of the spine
Luxation
Radiodiagnosis
Acute
Diseases of the osteoarticular system
Exploration
Vertebra
Epidemiology
Trauma
Radiography
Chronic
Bone
Child
Cervical spine
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Summary:Avulsion of the superior or inferior ring apophyses of the cervical spine was found in 12 of 1922 patients aged 10-20 years. Clinical and radiological follow-up of 9 of these patients was undertaken 3-25 years after trauma. Avulsion of the superior apophysis occurs after flexion, while extension trauma causes avulsion of the inferior ring apophysis. The follow-up appearance is characteristic in both instances. In superior ring apophysis avulsion, there is a bow shape of the superior aspect of the involved vertebral body. In inferior avulsion, the avulsed apophysis fuses with the vertebral body and forms an "osteophyte", whose shape and size depend on the degree of displacement.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0364-2348
1432-2161
DOI:10.1007/BF00241672