Pediatric Cerebral Meningioma: A Single-Center Study with 10 Children Not Associated with Neurofibromatosis Type 2 and Literature Review

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Abstract
Introduction: Pediatric meningiomas (PMs) are rare tumors; they differ from their adult counterparts by their atypicality of location, higher rates of malignant change, male preponderance, recurrence, and sometimes, their association with neurofibromatosis. This case series analyzes the clinical behavior, pathological presentation, location, and its association with neurofibromatosis type 2 (NF2). Methods: This case series consists of pediatric patients between the ages of 4 and 16 years who were hospitalized in the neurosurgical department of our hospital from 2012 to 2021 with different neurological symptoms and a literature review using the PubMed/MEDLINE database. Results: Sixty percent of the patients were males, while 40% were females. The most common neurological manifestations were signs of increased intracranial pressure. NF2 was absent in all patients. The predominant histopathology subtypes are atypical and WHO grade II, representing 30% and 40%, respectively. Conclusion: This study supports the relationship between NF2 and pediatric cerebral meningioma but at a lower concomitant rate from 0 to 13%, taking into consideration our original data and the literature review, contrasting some reported cases, which suggest rates as high as 33%, 50%, and 100% in a very small number of patients. Gross total resection without postoperative radiation therapy for nonmalignant and non-NF2-associated PM proved to be a sufficient and a good treatment option.

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