Spinal Extradural Cyst: Case Report and Review of Literature

Lee, Sean Wy; Foo, Aaron Song Chuan; Tan, Char Loo; Tan, Teng Hwee; Lwin, Sein; Yeo, Tseng Tsai; Nga, Vincent Diong Weng

doi:10.1016/j.wneu.2018.05.199

Cited by 16 publications

(24 citation statements)

References 16 publications

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“…Algunas teorías mencionan que el revestimiento celular en las paredes del quiste tiene capacidades secretoras de líquido, lo que explicaría su crecimiento hacia el espacio extradural (1,2,7) . Otros autores defienden la existencia de un mecanismo de "válvula" unidireccional que permitenel crecimiento del quiste por los incrementos intermitentes de presión en el LCR (1,3,6) .…”

Section: Discussionunclassified

“…Otros autores defienden la existencia de un mecanismo de "válvula" unidireccional que permitenel crecimiento del quiste por los incrementos intermitentes de presión en el LCR (1,3,6) . Los síntomas a menudo son asimétricos e incluyen debilidad, dolor neuropático, mielopatía, incontinencia, infecciones del tracto urinario y paraparesia (2,4) .…”

Section: Discussionunclassified

“…Los quistes aracnoideos espinales corresponden a entidades infrecuentes, que se definen como "divertículos" que contienen líquido cefalorraquídeo (LCR) y se extienden al espacio extradural (1) . Se presentan en su mayoría en la región torácica baja con un 65%, seguido de la región lumbar con el 13% (2) . Incluidos en este grupo se describe el meningocele sacro anterior, que corresponde a una extensión de la duramadre y la aracnoides fuera del canal espinal del sacro hacia el retroperitoneo y espacio intraperitoneal a través de un defecto sacro ventral (3) .…”

Section: Introductionunclassified

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Quiste aracnoideo sacro recidivante con meningocele anterior gigante. Reporte de caso

et al. 2019

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Section: Introductionunclassified

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Quiste aracnoideo sacro recidivante con meningocele anterior gigante. Reporte de caso

et al. 2019

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“…SAC are classified into primary (congenital or idiopathic) or secondary (acquired). Acquired SAC are more common and can be the result of a trauma, such as a traumatic spinal cord injury, postsurgical arachnoiditis, meningeal infection, haemorrhage, and other insults that cause inflammation and subarachnoid adhesions ( 1 – 3 ).…”

Section: Reflectionmentioning

confidence: 99%

“…SAC are classified into primary (congenital or idiopathic) or secondary (acquired). Acquired SAC are the most frequent ( 1 – 3 ). The most common presenting symptoms are paraesthesia, neuropathic pain, paresis and gait ataxia due to spinal cord compression ( 2 ).…”

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Correlation of spinal cord injury with development of spinal arachnoid cysts: Two case reports

Raes

Oostra

2021

J Rehabil Med-CC

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Background Spinal arachnoid cysts are rare entities, which are composed of a duplication in the arachnoid membrane and resultant cerebrospinal fluid collection, which may present with a progressive myelopathy. The most common symptoms caused by spinal cord compression are paraesthesia, neuropathic pain, paresis and gait ataxia. Clinical cases We report here 2 cases from different perspectives of a spinal arachnoid cysts in spinal cord injury. The first case was the occurrence of a spinal cord injury due to compression of a spinal arachnoid cysts causing myelopathy. The second case is a patient who had a traumatic paraplegia for which stabilizing surgery was required and who subsequently developed a spinal arachnoid cysts with neuropathic pain. Both cases required surgery with immediate improvement. However, after a few months both patients needed a revision due to recurrence. Conclusion Spinal arachnoid cysts may present with a heterogeneous clinical picture. If cysts are not clinically apparent, a conservative treatment with careful observation can be a justifiable option. In patients with progressive symptoms, surgery is the gold standard of care. However, the literature describes the need for revision surgery in only 12.5% of cases. Regular follow-up is necessary because both of the patients reported here needed revision surgery. LAY ABSTRACT Spinal cysts are cerebrospinal fluid pockets that may compress the spinal cord. They may present with different symptoms; for example, sensory disorders, pain, loss of strength and difficulty walking. We report here 2 patients with a spinal cord injury with spinal arachnoid cysts. In the case of patients with worsening symptoms, surgery is the gold standard of care. Regular follow-up is necessary; and both patients reported here needed revision surgery.

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Clinical and imaging features of spinal extradural arachnoid cysts: a retrospective study of 50 cases

et al. 2022

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Spinal extradural arachnoid cysts (SEDAC) are thought to arise from leakage of CSF through a spinal dural defect. This study investigates the demographics and imaging spectrum of SEDACs at our academic institution and compares them with those reported in the literature. Material and MethodsFifty cases with documented MRI diagnosis of SEDAC, Nabors criteria type I meningeal cyst (MC), were identi ed from retrospective review of imaging records between 1999 to 2020. Patient demographics, presenting symptoms, cyst characteristics, and management outcomes studied. Statistical analysis to determine associations between maximum cyst size and presenting symptoms along with other imaging ndings. ResultsIn all 50 subjects, SEDACs were solitary (single) and sporadic (non-familial). The majority were incidental (62%), located posteriorly (92%) and laterally (80%) in the thoracic and thoracolumbar regions (34%, 30%). They were associated with mild mass effect upon the thecal sac (50%) and bone remodeling (92%). Among symptomatic SEDACs, back pain and radiculopathy were the most reported (68%). Larger cysts were located caudally in the spinal canal, and were associated with greater thecal mass effect, bone remodeling, and septations. Four out of six subjects who underwent surgical management had complete or partial remission. One had cyst recurrence. ConclusionIn this largest series of SEDACs, most were discovered incidentally, stable over time, and located in the thoracic spine dorsal to the thecal sac. When symptomatic, back pain and radiculopathy were the most common presenting symptoms. Treatment with complete surgical excision may yield the best results for symptomatic lesions.

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Spinal Extradural Cyst: Case Report and Review of Literature

Cited by 16 publications

References 16 publications

Quiste aracnoideo sacro recidivante con meningocele anterior gigante. Reporte de caso

Quiste aracnoideo sacro recidivante con meningocele anterior gigante. Reporte de caso

Correlation of spinal cord injury with development of spinal arachnoid cysts: Two case reports

Clinical and imaging features of spinal extradural arachnoid cysts: a retrospective study of 50 cases

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