Surgical Outcome of Treating Grades II and III Meningiomas: A Report of 32 Cases

Neuroscience Journal
Konstantinos ViolarisPavlos Sakellariou

Abstract

Aim. To evaluate the frequency of atypical and malignant meningiomas and analyze recurrence rate; to study the morbidity and mortality of these tumors compared to benign meningiomas. Methods. During 1992-2007, 16 patients with malignant and 16 patients with atypical meningioma were operated in Neurosurgery Department of Thessaloniki's Papanikolaou Hospital. We analyzed tumor histology, location, and extent of surgical resection with respect to tumor reappearance and patients' outcome and compared the behavior of benign versus nonbenign meningiomas. Results. Malignant meningiomas accounted for 4.4% (16 patients) and atypical meningiomas for another 4.4% of the series of patients (353) who were operated for intracranial meningioma at our department that period. Malignant meningiomas recurred at a rate of 75% and atypical meningiomas recurred at a rate of 41.6%. There was a significant association of the histological classification (benign, atypical, and malignant) with recurrence (P < 0.01). The recurrence rate after complete resection was 13.8%. The recurrence rate for incomplete resection was 46.7%. Extent of tumor removal was significant to recurrence (P < 0.001) for benign as well for atypical and malignant meningiomas. Tumor...Continue Reading

References

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Citations

Jun 2, 2018·Neurosurgical Focus·Karan M KohliRaj K Shrivastava
Nov 17, 2017·Journal of Neuro-oncology·Victor Lam Shin CheungSunit Das
Sep 29, 2020·Frontiers in Neurology·Tomas Garzon-MuvdiEdward Pan
Jan 6, 2021·Journal of Neuro-oncology·Pranay SoniVarun R Kshettry

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Methods Mentioned

BETA
surgical resection
biopsy

Software Mentioned

SPSS

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