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An en bloc cranio-orbitozygomatic approach: surgical technique and results

ALEXANDRE VARELLA GIANNETTI RODRIGO MOREIRA FALEIRO FRANCISCO OTAVIANO L. PERPÉTUO About the authors

An en bloc cranio-orbitozygomatic approach is described. This technique was applied in seven patients (five basilar artery aneurysms, a trigeminal neuroma, a meningioma of the lesser sphenoid wing). The follow-up period ranged from 3 to 50 months. The patients were retrospectively analysed from the cosmetic point of view, and submitted to computerized tomography with three dimensional and multiplanar reconstructions The access provided a wider operative field with a shorter distance to the pathology and possibility of increased angulation of the microscope. The aneurysms could be cliped and the tumors completelly removed in all cases. A frontalis muscle paralysis occurred in two cases, as well as a temporalis muscle atrophy in another two patients. There were no enophthalmos or bone flap displacements. The surgical technique is simple and do not require drills, electric saws and miniplates.

surgical approach; skull base surgery; intracranial aneurysm; operative technique


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