Intramedullary arachnoid cyst: Report of two cases

Kataria, Rashim; Sinha, Virendra Deo; Chopra, Sanjeev

doi:10.4103/0028-3886.93618

Cited by 11 publications

(7 citation statements)

References 9 publications

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“…[ 3 , 18 , 19 ] Three cases of conus IMAC have been reported previously. [ 14 , 19 ] Similar to our patient, other reported arachnoid cysts which were located in conus presented with weakness, saddle anesthesia, and decreased anal tone. They usually produce a radiological dilemma, with the diagnosis being made intraoperatively or on histopathology.…”

Section: Discussionsupporting

confidence: 85%

“…Reports of IMAC are few and to date, only 24 cases have been reported. [ 1 - 3 , 5 - 7 , 9 - 14 , 16 - 21 , 23 - 26 ]…”

Section: Discussionmentioning

confidence: 99%

“…Usually, the diagnosis of the intramedullary cystic lesion is done on intraoperative or histopathological grounds. [ 14 ] Intramedullary arachnoid cysts (IMACs) represent an extremely rare entity among the intramedullary cystic lesions, with only 24 cases reported so far in the English literature. Although reported at different spinal levels, they are commonly found in the dorsal region in both pediatric and adult age groups.…”

Section: Introductionmentioning

confidence: 99%

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Conus medullaris intramedullary arachnoid cyst- case report and review of the literature

Thakur¹,

Rangnekar

Aroor

et al. 2021

Surgical Neurology International

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Background: Spinal intramedullary cysts present a radiological dilemma. We present a rare case of a conus intramedullary arachnoid cyst and report on its differentiating features and management. Case Description: We report a case of a 30-month-old child who presented with decreased gluteal sensation and urinary dribbling for 6 months. Apart from some slowness in walking, the power was normal in all four limbs. Imaging showed a non-enhancing, T2-weighted hyperintense 12 × 8 mm conus intramedullary cyst without any edema. A T12-L1 laminotomy followed by marsupialization of the cyst was done. Histopathology was suggestive of an arachnoid cyst. The postoperative course was uneventful with improvement in muscle strength and achievement of regular milestones. We also present the pertinent review of the literature to date. Conclusion: Intramedullary arachnoid cysts are a rare entity and should form the differential diagnosis for cysts presenting in the conus medullaris. Simple decompressive options may suffice for symptomatic cases and radical excision may be avoided. A high index of suspicion is essential considering the subtle nature of presenting symptoms.

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Section: Discussionsupporting

confidence: 85%

“…Reports of IMAC are few and to date, only 24 cases have been reported. [ 1 - 3 , 5 - 7 , 9 - 14 , 16 - 21 , 23 - 26 ]…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Conus medullaris intramedullary arachnoid cyst- case report and review of the literature

Thakur¹,

Rangnekar

Aroor

et al. 2021

Surgical Neurology International

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“…Kataria et al 2012. [17] 9 Years/F Progressive Neurological Deficits D-L Complete Recovery 1-6 Month Sagittal T2-weighted images depicting well-defined, hyperintense lesion at D11-D12 with no perilesional signal changes, axial T2-weighted images shows intramedullary which is hyperintense and expanded cord seen…”

Section: D5-d6 Complete Recovery 1 Monthmentioning

confidence: 99%

Symptomatic Thoracic Intramedullary Arachnoid Cyst: “A Rare Entity” Report of Two Cases with Short Review of Literature

Panwar

Purohit

Sharma

et al. 2019

Journal of Neurosciences in Rural Practice

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Spinal arachnoid cysts are uncommon benign lesions of spine axis and most commonly present as compressive myelopathy. Intramedullary arachnoid cyst is uncommonly seen, hence, not much discussed in literature. Due to rarity of this entity, many questions are yet to be answered and should be addressed properly, particularly related to etiopathogenesis, accustomed course, behavior, differential diagnosis, and the best treatment modality. We report the clinicopathological profile of thoracic intramedullary arachnoid cysts in two adult patients, and present a detailed review of available literature on the spinal intramedullary arachnoid cyst. Most of the literature concerning with intramedullary arachnoid cysts are in the form of case reports from pediatrics population. As far to the best of our knowledge, only a few cases excluding our two were found in both pediatrics and adult population.

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“…Pediatric age groups develop arachnoid cyst more frequently either congenital, posttraumatic, postinfectious, secondary to kyphoscoliosis, or spinal dysraphism. [1] Based on our literature review, only nine cases were reported in the pediatric age groups[23456789] and eight cases in the adult age groups. [510111213141516] Here, we present an interesting case of thoracic intramedullary spinal tumor in an adult patient presenting with myelopathic symptoms and signs with marked regression of the cyst and remarkable clinical improvement early postoperatively and during follow-up.…”

Section: Introductionmentioning

confidence: 99%

Thoracic spinal intramedullary arachnoid cyst presented with myelopathy with marked postoperative improvement: A case report and review of literature

et al. 2019

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Intramedullary arachnoid cyst: Report of two cases

Cited by 11 publications

References 9 publications

Conus medullaris intramedullary arachnoid cyst- case report and review of the literature

Conus medullaris intramedullary arachnoid cyst- case report and review of the literature

Symptomatic Thoracic Intramedullary Arachnoid Cyst: “A Rare Entity” Report of Two Cases with Short Review of Literature

Thoracic spinal intramedullary arachnoid cyst presented with myelopathy with marked postoperative improvement: A case report and review of literature

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