Pediatric meningiomas: a report of 5 cases and review of literature

Hong, Sukwoo; Usami, Kenichi; Hirokawa, Daisuke; Ogiwara, Hideki

doi:10.1007/s00381-019-04142-y

Cited by 15 publications

(8 citation statements)

References 33 publications

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“…It has also been reported that the residual tumor disappeared spontaneously after partial resection. [9,16] Possible causes of regression include occlusion of the tumor feeding vessels during surgery and inflammation around the tumor due to surgery, which may have caused environmental changes in the tumor. [9,16] e mechanism of spontaneous regression in our case is unknown.…”

Section: Discussionmentioning

confidence: 99%

“…[9,16] Possible causes of regression include occlusion of the tumor feeding vessels during surgery and inflammation around the tumor due to surgery, which may have caused environmental changes in the tumor. [9,16] e mechanism of spontaneous regression in our case is unknown. Depending on the histology of the meningiomas and hormone receptors, there may be types of meningiomas that tend to regress.…”

Section: Discussionmentioning

confidence: 99%

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Spontaneous regression of a posterior fossa meningioma: A case report

Takada

Yanaka

Nakamura

et al. 2022

Surgical Neurology International

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Background: Since most incidentally discovered meningiomas grow or remain unchanged, spontaneous regression is extremely rare. Here, we report a case of posterior fossa meningioma showing spontaneous regression. Case Description: A 55-year-old female was referred to our hospital because she was diagnosed with a left posterior fossa meningioma (diameter: 1.6 cm) during a brain check-up. The patient was followed up on periodic magnetic resonance imaging studies. Tumor size remained almost unchanged for 2 years but then began to regress. Twelve years after the initial examination, the tumor diameter idiopathically decreased from 1.6 cm to 1.1 cm while the tumor volume decreased from 2.3 cm3 to 0.5 cm3 (about 1/4th the original size). Postmenopausal hormonal imbalances may have been associated with the observed spontaneous regression. Conclusion: Understanding the natural history of meningiomas is essential for a better selection of treatment approaches or appropriate follow-up. This case may provide new insights into the progression of meningiomas.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Spontaneous regression of a posterior fossa meningioma: A case report

Takada

Yanaka

Nakamura

et al. 2022

Surgical Neurology International

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“…Mass sizes are larger than adults at diagnosis; patients are more sensitive to intraoperative hypovolemia. (5,6,7). Meningiomas, which are not accompanied by dural enhancement, are different from adults and are common in children (13-27.7%).…”

Section: Discussionmentioning

confidence: 99%

A Rare ıntracranial Mass of Childhood; Menengioma

Gocgun

İkizceli

Yilmaz

et al. 2020

Phoenix Medical Journal

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Meningioma is the most common extra parenchymal brain tumor in adults, originating from arachnoid cap cells in the brain, and is very rare in childhood. As pediatric meningiomas are rare, they have different and challenging epidemiological, radiological, and histopathological features than adults. We aimed to share a very rare case of meningioma in a 7-year-old girl presenting with sudden vision loss and seizures in the light of the literature. ÖZET Menenjiyom, erişkinlerde beyindeki araknoid kapak hücrelerinden kaynaklanan en yaygın ekstra parankimal beyin tümörüdür ve çocukluk çağında çok nadirdir. Pediatrik menenjiyomlar nadir olduğu için yetişkinlere göre farklı epidemiyolojik, radyolojik ve histopatolojik özelliklere sahiptirler. Bu yazıda, ani görme kaybı ve nöbetler ile başvuran 7 yaşında bir kız çocuğunda nadir görülen bir menenjiyom olgusunu literatür eşliğinde sunulmuştur.

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“…Незважаючи на те, що менінгіоми більш характерні для людей похилого віку, вони зустрічаються і у дітей (< 1 % від усіх менінгіом). Дитячі менінгіоми відрізняються більш агресивною поведінкою та рівномірним співвідношенням між хлопчиками та дівчатками, а спинномозкова локалізація спостерігається в 3 рази частіше, ніж у дорослих та становить 10 % від усіх пухлин ЦНС у дітей [8][9][10].…”

Section: результати та їх обговорення поширеність класифікація та клі...unclassified

Bibliometric Analysis of the Scientific Literature on Meningiomas With Calcification

Denysenko

Moskalenko

2022

EUMJ

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Meningiomas are the most common non-glial tumours of the central nervous system characterized by pathological biomineralization. The work aimed to conduct bibliometric analysis and systematize data on the prevalence, etiology, morphology and main trends in the study of meningiomas with calcification. The authors searched for information on meningiomas in electronic databases such as PubMed, Scopus, Web of Science and Google Scholar for the past 25 years by the key terms such as meningiomas, calcifications, and psammoma bodies. For bibliometric analysis, the authors used an online platform to monitor and analyze international research using visualization tools and modern citation metrics SciVal (Scopus) and a tool for building and visualizing bibliometric networks VOSviewer. Pathological biomineralization is manifested through the formation of psammoma bodies, and the main mineral component is calcium hydroxyapatite. Although calcification is likely to play a protective role and be a favourable prognostic feature, it should be considered when choosing surgical tactics. There is also the problem of closing the defects of the dura mater with the help of biological and synthetic transplants. According to the bibliometric analysis of scientific literature on meningiomas and the phenomena of pathological biomineralization in them, we found that the number of publications on this topic had increased significantly over the past five years, the leading countries of origin are the United States, Japan and China. When researching the array of Scopus database publications using SciVal tools, the problem of meningioma calcification was divided into 61 topics and 24 thematic clusters, the vast majority of which belonged to medicine and biology and materials science. According to the results of bibliometric analysis of 678 publications in the Scopus database by keywords "calcification" and "meningioma", they can be divided into seven thematic clusters and four chronological stages. Despite the prevalence of meningioma calcification, there is currently no fundamental idea of the etiology and pathogenesis of this process. Studying the morphological features of meningiomas with calcification can help improve the diagnosis and treatment of the central nervous system tumours.

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Pediatric meningiomas: a report of 5 cases and review of literature

Cited by 15 publications

References 33 publications

Spontaneous regression of a posterior fossa meningioma: A case report

Spontaneous regression of a posterior fossa meningioma: A case report

A Rare ıntracranial Mass of Childhood; Menengioma

Bibliometric Analysis of the Scientific Literature on Meningiomas With Calcification

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