Méningiome Géant A Développement Intra Et Extracranien/Giant Intra And Extracranial Meningioma

Elkharras, A.; En-Nouali, L; Jawhari, N; Elhaddad, A.; Ajja, A.; Chaouir, S.; Benamaur, M

doi:10.4314/ajns.v24i1.7568

Cited by 3 publications

(11 citation statements)

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“…Primary interosseous meningiomas are rare among ectopic meningiomas. Most authors have described unique cases of intraosseous hyperostosis meningiomas [3][4][5]. We did not find any cystic form of interosseous meningiomas occurring in a child like ours.…”

Section: Discussionsupporting

confidence: 44%

“…The existence of neurological signs could be related to a large intracranial extension of the tumor causing nerve compression [6,9]. Exophthalmia and / or visual troubles related to spheno temporo-orbital location of intraosseous meningiomas were the most noted physical signs in the literature [5,7,9] Authors [2][3][4][5] agree on the polymorphic and non-specific aspect of the lesion on imaging. Thus two forms have been described: the form called hyperostosis is the most common, and the osteolytic or erosive form.…”

Section: Discussionmentioning

confidence: 94%

“…He consulted for aesthetic prejudice (disfigurement) caused by the swelling. Authors have also found a normal neurological examination [4][5][6]. The discrete hypo-acoustics have been accidentally diagnosed with audiometry for the impact of the structures of the ear on the CT scan.…”

Section: Discussionmentioning

confidence: 97%

“…Thus two forms have been described: the form called hyperostosis is the most common, and the osteolytic or erosive form. Intra-tumor calcification may occur in 20% of cases [3,4]. The osteolytic form has a more aggressive evolution or represent a later form of the disease [3].…”

Section: Discussionmentioning

confidence: 99%

“…Intraosseous meningiomas are ectopic meningiomas. According to some authors [4], Hoye classifies these ectopic meningiomas into four types. Type A corresponds to the externalization of an initially intracranial meningioma.…”

Section: Introductionmentioning

confidence: 99%

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Large Intra-Osseous Cystic Meningioma in a Child: A Rare Entity

Zabsonre¹

2019

CNN

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Introduction. Meningiomas are rare tumors in children, in whom the intracranial pathology is dominated by craniopharyngiomas and medulloblastomas. Cystic meningiomas are also rare, as is their intraosseous location. Intraosseous meningiomas are ectopic meningiomas. Their diagnosis is rarely done preoperatively. We report a case of cystic intraosseous meningioma managed in our department. Observation. Mr. ON, 16 years old, presented progressively a right temporal tumefaction causing an aesthetic prejudice. This tumefaction raised the flag of the right ear. It was covered by normal skin and there was moderate right hypo acoustics. CT scan showed a right sphenotemporal lesion with hyperdense contours and hypodense contents. It repressed the brain without invading it but affected the anatomic structures of the ear. Surgical procedure allowed for almost complete excision of the lesion. Histology of the operative specimen concluded to an intraosseous meningothelial meningioma. After a 4-year follow-up, the tumor residue remained stable. Conclusion. In addition to the diagnostic difficulty, we faced two other therapeutic difficulties. The first is that complete excision was not possible to avoid compromising a hearing always good. The second difficulty was related to the age of the patient who did not allow us to consider the cranial plasty before the end of the growth.

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Section: Discussionsupporting

confidence: 44%

Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Large Intra-Osseous Cystic Meningioma in a Child: A Rare Entity

Zabsonre¹

2019

CNN

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Le méningiome intra osseux: à propos de deux cas

et al. 2018

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Les méningiomes intra osseux primitifs sont des méningiomes ectopiques rares, qui constituent 1 à 2% de tous les méningiomes. Le but de ce travail est d'illustrer les différents aspects à l'imagerie contribuant à une approche diagnostique et de discuter leurs différents diagnostics différentiels. Nous rapportons, à ce propos, deux cas de méningiomes intra osseux à localisation ptérionale, documentés par TDM et IRM.

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Intraosseous Meningioma of Spheno-Orbital Localization: A Case Report

Hawa¹,

Moussa²,

Benzalim³

et al. 2023

Cureus

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Intracranial meningiomas are benign extra-axial brain tumors. Their etiology is undetermined and several hypotheses have been proposed to explain their genesis. The clinical symptomatology of intracranial meningiomas is atypical and varies according to the location of the lesion, its size, and its relationship with neighboring organs. Imaging is essential for establishing a positive diagnosis, but the way to a diagnosis of certainty remains histological. In this article, we describe the CT and magnetic resonance imaging aspects of an intraosseous meningioma discovered in a patient in her forties that presented with right proptosis, and whose brain MRI revealed a cranial lesion with adjacent meningeal involvement; the CT scan subsequently performed allowed a better analysis of the bone lesion, the appearance of which suggested an intraosseous meningioma. This diagnosis was confirmed by a histological exam. The purpose of this article is to illustrate the CT and MRI aspects of this entity by reporting a case of intraosseous meningioma of spheno-orbital location.

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Méningiome Géant A Développement Intra Et Extracranien/Giant Intra And Extracranial Meningioma

Cited by 3 publications

References 0 publications

Large Intra-Osseous Cystic Meningioma in a Child: A Rare Entity

Large Intra-Osseous Cystic Meningioma in a Child: A Rare Entity

Le méningiome intra osseux: à propos de deux cas

Intraosseous Meningioma of Spheno-Orbital Localization: A Case Report

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