Foramen magnum meningiomas: surgical treatment in a single public institution in a developing country

Objective: To analyze the clinical outcome of patients with foramen magnum (FM) meningiomas. Method: Thirteen patients (11 Feminine / 2 Masculine with FM meningiomas operated on through lateral suboccipital approach were studied. Clinical outcome were analyzed using survival (SC) and recurrence-free survival curves (RFSC). Results: All tumors were World Health Organization grade I. Total, subtotal and partial resections were acchieved in 69.2%, 23.1% and 7.7%, respectively, and SC was better for males and RFSC for females. Tumor location, extent of resection and involvement of vertebral artery/lower cranial nerves did not influence SC and RFSC. Recurrence rate was 7.7%. Operative mortality was 0. Main complications were transient (38.5%) and permanent (7.7%) lower cranial nerve deficits, cerebrospinal fluid fistula (30.8%), and transient and permanent respiratory difficulties in 7.7% each. Conclusions: FM meningiomas can be adequately treated in public hospitals in developing countries if a multidisciplinary team is available for managing postoperative lower cranial nerve deficits.

Bibliographic Details

Main Authors:	Colli,Benedicto Oscar, Carlotti Junior,Carlos Gilberto, Assirati Junior,João Alberto, Borba,Luis Alencar Biurrum, Coelho Junior,Vicente de Paulo Martins, Neder,Luciano
Format:	Digital revista
Language:	English
Published:	Academia Brasileira de Neurologia - ABNEURO 2014
Online Access:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2014000700528
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