2011, Number 1
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Rev Mex Neuroci 2011; 12 (1)
Anterior clinoid meningiomas
Díaz CA, Zottis GC, Rehder R, Borba LAB
Language: Spanish
References: 51
Page: 27-37
PDF size: 661.94 Kb.
ABSTRACT
Introduction: Meningiomas evolved around the ante-rior clinoid process consist of serious group amongsphenoid ridge due to their relationship to vascularand nervous structures. As clivus meningiomas, theyare associated to high mortality and morbidity rate.
Objective: To evaluate the access, bone resectionextension, results, and complications associated toanterior clinoidal meningiomas surgery.
Method: Reviewof 15 patients presenting anterior clinoidalmeningiomas submitted to surgical removal at Evangelico University Hospital of Curitiba during theperiod 2000 through 2010.
Results: All patients weresubmitted to fronto-orbitozigomatic (FOZ) craniotomy;total resection was performed in 12 cases; partialremoval in 3 cases. Frequent complications are asfollows: III cranial nerve deficit (4 cases), motorimpairment (2 cases), cerebro-spinal fluid fistula (2cases), and facial pain (1 case). Visual recovery wasseen in 8 patients, while visual worsening in 2 patients.In 5 of cases, there were no visual alterations.
Conclusion: Using skull base techniques, radicalresection of anterior clinoid meningiomas is possiblewhich includes bone and tumor exeresis, taking combined surgical approaches. Initial surgical processpresents the greatest opportunity to have totalresection, low morbidity, and mortality rates associatedto the low surgical risks.
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