Surg Neurol
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The aim of the present study was to evaluate the technical viability of the unilateral pterional approach to simultaneously treat symmetrical bilateral aneurysm (mirror image) of the middle cerebral arteries (SBAMCA) and to determine the morbidity and mortality rates of this approach. ⋯ The unilateral pterional surgical approach to treat SBAMCA is a technically viable procedure associated with low morbidity and mortality. However, it requires a neurosurgeon experienced in cerebral aneurysm surgery and the appropriate technical conditions.