Article

Atypical meningiomas--a case series.

Department of Neurosurgery, Royal Hobart Hospital, GPO Box 1061L, Hobart 7001, Tasmania, Australia.
Clinical neurology and neurosurgery (impact factor: 1.3). 01/2012; 114(6):699-702. DOI:10.1016/j.clineuro.2011.11.023 pp.699-702
Source: PubMed

ABSTRACT Meningiomas, in particular the Atypical (grade 2), vary greatly in their behaviour and prognosis. Over a 19 year period, we operated on 169 meningiomas (on 86 patients) and of those, 9 cases of atypical meningiomas were found which met the 2007 World Health Organization (WHO) classification. The 9 patients represented 5.3% of all meningiomas. The average presenting age was 51 years and average follow-up was 103 months with 5 patients passing away between 38 and 219 months after diagnosis. The time to first recurrence was 24 months with 1 patient suffering 12 recurrences and 2 cases having metastases. Although we had a small number of atypical meningiomas, we believe our paper highlights the unpredictable and difficult nature of these tumours.

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Keywords

1 patient
 
169 meningiomas
 
19 year period
 
2007 World Health Organization
 
5 patients
 
86 patients
 
9 cases
 
9 patients
 
Atypical
 
atypical meningiomas
 
average follow-up
 
first recurrence
 
meningiomas
 
metastases
 
tumours
 
unpredictable
 

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