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Operative pictures. (a) the aneurysm was originated from the frontal branch of the middle cerebral artery. Superior (solid arrow) and inferior (open arrow) divisions of frontal branch are branching out from the aneurysm. (b) Clipping of main sac was done using multiple fenestrated straight clips. And then the superior division of frontal branch and superior temporal artery’s parietal branch were anastomosed in end-to-end fashion. (arrowheads).
