Technique and role of embolization using ethylene vinyl-alcohol copolymer before carotid body tumor resection
AbstractA 45-year old female referred for a large carotid body tumor resection. The tumor was encasing the internal (ICA) and external carotid arteries (ECA). She underwent angiogram and embolization of the ascending pharyngeal artery and a distal branch of the ECA using ethylene vinyl-alcohol copolymer (EVOH). Two days later, surgical resection of the tumor with regional lymph node dissection was performed along with an interposition reversed vein graft anastomosis between the mid common carotid and distal ICA. Carotid body tumor devascularization of the tumor can be performed using EVOH delivered through transarterial and percutaneous routes. Embolization may facilitate surgical resection and decrease blood loss but does not decrease the rate of neurological complications. Embolization can be performed by the vascular surgeon before a large carotid body tumor resection with minimal migration and or stroke risk.
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Copyright (c) 2014 Rajiv Thakkar, Umair Qazi, Young Kim, Elliot K. Fishman, Frank J. Veith, Mahmoud B. Malas
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