Spinal Extradural Arachnoid Cyst: A Case Report

Kong, Woo-Keun; Cho, Keun-Tae; Hong, Seung-Koan

doi:10.14245/kjs.2013.10.1.32

Cited by 23 publications

(19 citation statements)

References 12 publications

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“…2 7 Preoperative myelomalacia and long duration of clinical signs have been implicated as being predictive of poor surgical outcome. 15 Our patient was an 11-year-old female dobermann. The type I meningeal cyst may have been secondary to cervical spondylomyelopathy and to the concurrent injury of the meningeal structures.…”

Section: Discussionmentioning

confidence: 91%

Extradural meningeal cystic lesion corresponding to type I meningeal cyst in a dog

Tirrito¹,

Lombardo

Matiasek³

et al. 2018

Vet Record Case Reports

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An 11-year-old spayed female dobermann was referred for progressive general proprioceptive ataxia and tetraparesis. MRI of the cervical spinal cord demonstrated a compressive, extradural, rounded space-occupying lesion at the C6-C7 right vertebral arch. The lesion was hypointense on T1-weighted images and hyperintense on T2-weighted images. The dog underwent decompressive surgery; a cystic lesion was removed. Histopathological examination revealed an extradural meningeal cyst corresponding to type I meningeal cyst. A few months after surgery, the neurological condition was substantially improved and no further deterioration was revealed one year later. This is the first reported case of type I meningeal cyst in veterinary medicine. Meningeal type I cysts should be a differential diagnosis for large breed dogs with compressive myelopathy and imaging finding of extradural cystic lesions.

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Section: Discussionmentioning

confidence: 91%

Extradural meningeal cystic lesion corresponding to type I meningeal cyst in a dog

Tirrito¹,

Lombardo

Matiasek³

et al. 2018

Vet Record Case Reports

View full text Add to dashboard Cite

show abstract

“…Many spinal arachnoid cysts are idiopathic or congenital, whereas others may develop secondary to trauma, infection, or iatrogenic (lumbar puncture or surgery) causes. 6 10 15) Idiopathic or congenital arachnoid cysts are characterized by distinctive features on imaging studies and they may present with neurological signs and symptoms.…”

Section: Discussionmentioning

confidence: 99%

Extradural Spinal Arachnoid Cyst as a Cause of Cauda Equina Syndrome in a Child

Yoo

Kim

et al. 2020

Korean J Neurotrauma

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Although spinal arachnoid cysts are relatively common findings observed incidentally in adults, they are much rarely reported in children. They are usually asymptomatic and are mainly located in the middle and lower thoracic regions. However, in rare circumstances, these cysts can cause mass effects that lead to neurologic symptoms. We report the rare case of a spinal extradural arachnoid cyst in a 12-year-old boy who showed signs and symptoms of cauda equina syndrome. Magnetic resonance imaging of the lumbar spine revealed a huge extradural arachnoid cyst extending from L2 to L5. Emergent laminectomy and repair of dural defect was performed after total resection of the extradural arachnoid cyst. There were no postoperative complications. Total recovery was achieved 6 months after surgery. Here, we report this rare case with a review of the literature.

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“… 7 Most arachnoid cysts are located in the thoracic spine, followed by the lumbar, lumbosacral and thoracolumbar spines. 8 Posttraumatic cysts are caused by a defect in the inner dural layer. 5 Ventral cysts can cause weakness and myelopathy, while dorsal cysts present with neuropathic pain and paresthesia.…”

Section: Discussionmentioning

confidence: 99%

Cisto aracnóide após trauma na coluna torácica com compressão medular: Relato de caso

Zanon

Kanas

Joaquim

et al. 2020

Rev Bras Ortop (Sao Paulo)

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ResumoCistos aracnóides são raros, podem ocorrer em todos os níveis do saco dural, e sua origem pode ser congênita, traumática, iatrogênica ou inflamatória. Neste artigo, relatamos o caso de uma paciente com mielopatia torácica compressiva decorrente de um cisto aracnóide intradural incomum, de manifestação pós-traumática, assim como sua resolução, além de realizar revisão da literatura sobre o tema. A principal localização é na coluna torácica, seguida das colunas lombar, lombossacra e toracolombar. O cisto com origem traumática é causado por lesão da camada interna da dura-máter. Essas lesões produzem déficit neurológico por meio de efeito de massa sobre a medula espinhal. A existência de mielopatia compressiva associada é mais rara ainda. A ressecção ou drenagem dos cistos na vigência de mielopatia deve ser imediata, sendo o tratamento de escolha. Apesar de raros, podem ser uma complicação de fraturas da coluna vertebral que são muito comuns na prática de ortopedistas e neurocirurgiões, que devem estar preparados para essa situação incomum.

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Spinal Extradural Arachnoid Cyst: A Case Report

Cited by 23 publications

References 12 publications

Extradural meningeal cystic lesion corresponding to type I meningeal cyst in a dog

Extradural meningeal cystic lesion corresponding to type I meningeal cyst in a dog

Extradural Spinal Arachnoid Cyst as a Cause of Cauda Equina Syndrome in a Child

Cisto aracnóide após trauma na coluna torácica com compressão medular: Relato de caso

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