• Daniel A Tonetti, Lorenzo Rinaldo, Kunal P Raygor, Todd B Dubnicoff, Ivan H El-Sayed, and Adib A Abla.
• Department of Neurosurgery, Cooper Neurological Institute, Camden, New Jersey, USA.
• World Neurosurg. 2023 Jun 1; 177: 1919.

AbstractRevascularization of the anterior circulation using a high-capacitance graft is sometimes necessary for treatment of cervical tumors encasing the internal carotid artery (ICA). In this surgical video, we aim to demonstrate the technical nuances of high-flow extra-to-intracranial bypass using a saphenous vein graft. The patient is a 23-year-old female who presented with a 4-month history of an enlarging left-sided neck mass, dysphagia, and 25-lb weight loss. Computed tomography and magnetic resonance imaging demonstrated an enhancing lesion encasing the cervical ICA. The patient underwent an open biopsy that established a diagnosis of a myoepithelial carcinoma. The patient was advised to undergo attempted gross total resection, which would require sacrifice of the cervical internal carotid artery. After the patient failed a balloon test occlusion of the left ICA, it was decided to perform a cervical ICA to middle cerebral artery M2 bypass using a saphenous vein graft, followed by tumor resection in staged fashion. Postoperative imaging demonstrated complete tumor removal and filling of the left anterior circulation via the saphenous vein graft. Video 1 discusses important preoperative and postoperative considerations, as well as highlights the technical nuances of this complex procedure. High-flow ICA to middle cerebral artery bypass using a saphenous vein graft can be employed to facilitate gross total resection of malignant tumors encasing the cervical internal carotid artery.Copyright © 2023 Elsevier Inc. All rights reserved.

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