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CC BY-NC-ND 4.0 · Rev Bras Ortop (Sao Paulo) 2021; 56(01): 114-117
DOI: 10.1055/s-0040-1714225
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Posttraumatic Arachnoid Cyst in the Thoracic Spine with Medullary Compression: Case Report

Artikel in mehreren Sprachen: português | English
Igor de Barcellos Zanon 
1   Grupo de Coluna Vertebral, Departamento de Ortopedia e Traumatologia “Pavilhão Fernandinho Simonsen”, Santa Casa de Misericórdia de São Paulo, São Paulo, SP, Brasil
,
Michel Kanas 
2   Departamento de Ortopedia e Traumatologia, Hospital Israelita Albert Einstein, São Paulo, SP, Brasil
,
Marcos Augusto Stávale Joaquim 
2   Departamento de Ortopedia e Traumatologia, Hospital Israelita Albert Einstein, São Paulo, SP, Brasil
,
Délio Eulálio Martins 
2   Departamento de Ortopedia e Traumatologia, Hospital Israelita Albert Einstein, São Paulo, SP, Brasil
,
Marcelo Wajchenberg 
2   Departamento de Ortopedia e Traumatologia, Hospital Israelita Albert Einstein, São Paulo, SP, Brasil
,
Nelson Astur 
1   Grupo de Coluna Vertebral, Departamento de Ortopedia e Traumatologia “Pavilhão Fernandinho Simonsen”, Santa Casa de Misericórdia de São Paulo, São Paulo, SP, Brasil
2   Departamento de Ortopedia e Traumatologia, Hospital Israelita Albert Einstein, São Paulo, SP, Brasil
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Abstract

Arachnoid cysts are rare; they can occur at all levels of the dural sac, and can have a congenital, traumatic, iatrogenic or inflammatory origin. In the present article, we report a patient presenting a compressive thoracic myelopathy due to an unusual intradural arachnoid cyst with posttraumatic manifestation and its resolution, in addition to a literature review on the subject. These cysts mainly occur at the thoracic spine, followed by the lumbar, lumbosacral and thoracolumbar spines. Traumatic cysts are caused by an injury to the inner dural layer. These lesions produce neurological deficits through a mass effect on the spinal cord. Concomitant compressive myelopathy is even rarer. In case of myelopathy, cyst resection or drainage is the treatment of choice, and it must be performed immediately. Although rare, arachnoid cysts can be a complication of spine fractures; as such, orthopedists and neurosurgeons, who commonly see these injuries, must be prepared for this unusual situation.

Keywords

arachnoid cysts - spinal cord injuries - spinal cord compression


Publikationsverlauf

Eingereicht: 29. September 2019

Angenommen: 05. Mai 2020

Artikel online veröffentlicht:
30. September 2020

© 2020. Sociedade Brasileira de Ortopedia e Traumatologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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