The importance of microsurgery in childhood meningioma: a case report

Kwee, Lucy; Veelen-Vincent, M. L. C. van; Michiels, Erna; Kros, Johan M.; Dammers, Rúben

doi:10.1007/s00381-014-2490-8

Cited by 6 publications

(6 citation statements)

References 25 publications

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“…1 In general, they represent 36.4% of primary CNS tumors and approximately 24-30% in adults. 1,8 Nevertheless, in the pediatric population, the prevalence among CNS tumors varies between 0.4 and 4.6%.2, 3,[9][10][11][12][13] The equivalence between genders also contrasts with what occurs in the adult population, which has a female to male ratio of 2:1. 1,2,14 This difference is believed to be due, mainly in the prepubertal period, to the absence of the effect of sex hormones on corticosteroid receptors in meningioma cells.…”

Section: Discussionmentioning

confidence: 99%

“…2 The use of adjuvant radiotherapy should be avoided in young patients, opting for serial evaluation and reoperation in case of recurrence. 2,3,[8][9][10][11]14,18,37 In the literature, there are several surgical approaches for IVM resection: temporoparietal, transfrontal, middle posterior temporal gyrus, posterior inferior temporal gyrus, parieto-occipital and transcallosal. 5,34 The choice is individualized and based on the location of the tumor within the ventricle, in tumor size and its vascular network, always with a objective of preserving the adjacent brain tissue, performing small corticectomy and retracting little as possible.…”

Section: Discussionmentioning

confidence: 99%

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Rare Case of Young Patient with Intraventricular Angiomatous Meningioma

Paglioli¹

2021

GJMR

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Pediatric meningiomas are rare and account for only 2.2% of CNS tumors. In this age group, they are more frequently located in atypical sites, such as, mainly, the ventricular system, with a frequency of 8.8 to 13.6%. Adding this to the fact that the angiomatous subtype constitutes only 2.1% of all meningiomas, the rarity of the case reported here i s corroborated. We report a 17-year-old female patient diagnosed with intraventricular angiomatous meningioma; she underwent surgical resection of the tumor in the body and frontal horn of the right lateral ventricle, and there was no neurological sequela. With a follow-up of 4 years, there was no recurrence and the patient had clinical stability. Intraventricular tumors usually have slow growth and reach considerable size until they cause symptoms and then are diagnosed. In addition, the tumor’s deep location and proximity to eloquent areas make such tumors an neurosurgical challenge. The angiomatous subtype, due to the presence of hypervascularization (consisting of more than 50% of vascular components), may, in some cases, hinder surgical resection as well as be erroneously diagnosed. However, surgical treatment aimed at total resection of the lesion remains the conduct of choice in the case reported here, especially in patients in the first two decades of life, in which the use of radiation is avoided. Specifically when it comes to the surgery, we chose a transcallosal approach that allows a good transoperative visualization of the lesion when located in the body and frontal horn of the lateral ventricle.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Rare Case of Young Patient with Intraventricular Angiomatous Meningioma

Paglioli¹

2021

GJMR

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“…1 Em geral, representam 36,4% dos tumores primários do SNC, e aproximadamente 24-30% nos adultos. 1,8 Por outro lado, na população pediátrica a prevalência entre os tumores do SNC varia entre 0,4 e 4,6%. 2,3,9-13 A equivalência entre sexos também contrasta com o que ocorre na população adulta, que possui uma razão entre sexo feminino e masculino de 2:1.…”

Section: Discussionunclassified

“…2 O uso de radioterapia adjuvante deve ser evitado em pacientes jovens, podendo-se optar por avaliação seriada e reoperação em caso de recidiva. 2,3,[8][9][10][11]14,18,37 Na literatura, há diversas abordagens cirúrgicas para ressecção dos MIV: abordagem temporoparietal, transfrontal, giro temporal médio posterior, giro temporal inferior posterior, parieto-occipital e transcalosa. 5,34 A escolha é individualizada e fundamentada na localização do tumor dentro do ventrículo, no tamanho tumoral e na sua rede vascular, tendo em vista sempre preservar o tecido cerebral adjacente, realizando pequenas corticectomias e o retraindo o mínimo possível.…”

Section: Discussionunclassified

“…1 In general, they represent 36.4% of the primary CNS tumors and $ between 24 and 30% in adults. 1,8 On the other hand, in the pediatric population, the prevalence of CNS tumors varies between 0.4 and 4.6%. 2,3,9-13 Gender equivalence also contrasts with what occurs in the adult population, which has a ratio between female and male gender of 2:1.…”

Section: Discussionmentioning

confidence: 99%

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Rare Case of Young Patient with Intraventricular Angiomatous Meningioma

Heemann

Paglioli

Wainberg

2017

Arquivos Brasileiros de Neurocirurgia: Brazilian Neurosurgery

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ResumoMeningiomas pediátricos são raros, representando apenas 2,2% dos tumores do sistema nervoso central (SNC). Em tal faixa etária, localizam-se com maior frequência em sítios atípicos, como, principalmente, o sistema ventricular -com frequência de 8,8 a 13,6%. Em vista disso, e de que o subtipo angiomatoso constitui apenas 2,1% de todos meningiomas, corrobora-se a raridade do caso aqui relatado: paciente feminina de 17 anos diagnosticada com meningioma angiomatoso intraventricular. Foi submetida à ressecção cirúrgica de tumor em corpo e corno frontal do ventrículo lateral direito, não havendo sequela neurológica. Com acompanhamento de 26 meses não apresentou recidiva e demonstra estabilidade clínica. Tumores intraventriculares geralmente possuem crescimento lento e atingem tamanho considerável até ocasionarem sintomas e serem, então, diagnosticados. Somado a isso, a localização profunda do tumor e a proximidade com áreas eloquentes tornam tais tumores um evidente desafio neurocirúrgico. O subtipo angiomatoso, por apresentar hipervascularização (é constituído por mais de 50% de componentes vasculares), pode tanto dificultar, em alguns casos, a ressecção cirúrgica quanto ser erroneamente diagnosticado. Porém, o tratamento cirúrgico visando à ressecção da lesão mantém-se como a conduta de escolha no caso aqui relatado, especialmente, em pacientes nas duas primeiras décadas de vida, nos quais se evita o uso de radiação. Especificamente em relação à cirurgia, optou-se por uma abordagem transcalosa que possibilita uma boa visualização transoperatória da lesão quando localizada em corpo e corno frontal do ventrículo lateral. AbstractPediatric meningiomas are rare and account for only 2.2% of CNS tumors. In this age group, they are more frequently located in atypical sites, such as, mainly, the ventricular system, with a frequency of 8.8 to 13.6%. Adding this to the fact that the angiomatous subtype constitutes only 2.1% of all meningiomas, the rarity of the case reported here is corroborated. We report a 17-year-old female patient diagnosed with intraventricular angiomatous meningioma; she underwent surgical resection of

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Primary intraventricular meningiomas in children—experience of two cases with review of literature

et al. 2017

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Meningiomas are rare in the pediatric age group, more so in the intraventricular location. They arise in the lateral ventricles from the arachnoid cells contained within the choroid plexus, in the third ventricle from the velum interpositum and in the fourth ventricle from the choroids. These tumors are usually large and have an aggressive behaviour. Surgical management of intra-ventricular meningiomas is challenging because of their deep location, large size at presentation and increased vascularity. The authors report two such cases who presented with symptoms of raised intra cranial pressure and on evaluation were found to have associated hydrocephalus. Both these patients underwent surgical excision of the tumour by frontal transcortical approach and histopathology report confirmed transitional meningioma in them. Only twenty seven cases of intraventricular meningiomas in children have been reported till date. Their definitive treatment is surgery alone and total excision of the tumor is curative. Possibility of neurofibromatosis as a differential should also be considered in their management.

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The importance of microsurgery in childhood meningioma: a case report

Cited by 6 publications

References 25 publications

Rare Case of Young Patient with Intraventricular Angiomatous Meningioma

Rare Case of Young Patient with Intraventricular Angiomatous Meningioma

Rare Case of Young Patient with Intraventricular Angiomatous Meningioma

Primary intraventricular meningiomas in children—experience of two cases with review of literature

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