Atypical meningioma: a clinicopathological analysis
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E Joseph1, S Sandhyamani, M B Rao
1Departments of Pathology and Neurosurgery, Sree Chitra Thirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, 695011, India.
Abstract:
In this retrospective study, 382 operated cases of meningiomas were reviewed. 32 cases (8.3%) were histopathologically classified as atypical meningioma. The anatomical locations and histological features in all the thirty-two cases were correlated with their recurrence rates and biological behaviour. The overall recurrence rate for atypical meningioma within two years was 28% as compared to 9.3% in benign meningiomas. It is being emphasized that an accurate histopathological interpretation of atypical meningioma is essential for predicting the recurrence, biological behavior as well as post-operative management modalities.
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