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Tytuł pozycji:

Epidemiological features of meningiomas: a single Brazilian center’s experience with 993 cases

Tytuł:
Epidemiological features of meningiomas: a single Brazilian center’s experience with 993 cases
Autorzy:
Benedicto Oscar Colli
Hélio Rubens Machado
Carlos Gilberto Carlotti Jr
João Alberto Assirati Jr
Ricardo Santos De Oliveira
Guilherme Gozzoli Podolsky Gondim
Antonio Carlos Dos Santos
Luciano Neder
Temat:
Meningioma
Demographic Data
Pathology
General Surgery
Risk Factors
Neoplasm Recurrence, Local
Neurosciences. Biological psychiatry. Neuropsychiatry
RC321-571
Źródło:
Arquivos de Neuro-Psiquiatria, Vol 79, Iss 8, Pp 705-715 (2021)
Wydawca:
Academia Brasileira de Neurologia (ABNEURO), 2021.
Rok publikacji:
2021
Kolekcja:
LCC:Neurosciences. Biological psychiatry. Neuropsychiatry
Typ dokumentu:
article
Opis pliku:
electronic resource
Język:
English
ISSN:
1678-4227
0004-282x
Relacje:
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2021000800705&tlng=en; https://doaj.org/toc/1678-4227
DOI:
10.1590/0004-282x-anp-2020-0441
Dostęp URL:
https://doaj.org/article/236467acf99b4878bdbb64960991da33  Link otwiera się w nowym oknie
Numer akcesji:
edsdoj.236467acf99b4878bdbb64960991da33
Czasopismo naukowe
ABSTRACT Background: Meningiomas are the most frequent primary central nervous system (CNS) tumors. Their geographical and ethnic characteristics need to be known, in order to enable rational treatment. Objective: To investigate clinical and epidemiological aspects in a series of patients with meningiomas. Methods: Retrospective analysis on the demographic profile, location and histopathology of 993 patients with meningiomas (768 operated and 225 not operated). Results: Meningiomas represented 43.8% of the primary CNS tumors; 6.8% were multiple tumors (14.7% with neurofibromatosis 2) and 0.6% were radiation-induced tumors. The mean ages were 53.0 and 63.9 years for operated and non-operated patients and the female/male ratios were 3.2:1 and 6.3:1. Diagnosis was made later among females. The peak incidences were in the 6th and 7th decades respectively for operated and non-operated patients. The incidence was low at early ages and higher among patients aged 70+ years. The meningiomas were intracranial in 96.5% and most were WHO grade I (88.9%) and transitional. In the spinal canal (3.5%), they occurred mainly in the dorsal region (all grade I; mostly transitional). The racial distribution was 1.0% in Asian-Brazilians, 87% in Caucasians and 12% in African-Brazilians. 83.4% and 51.6% of the patients were estimated to be recurrence-free at 10 and 20 years, and the mortality rate was 3%. Conclusions: Most of the demographic data were similar to what has been observed in other western centers. Differences were higher incidence of meningiomas, female and older predominance in non-operated patients, predominance in Caucasian, and higher association with neurofibromatosis 2.

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