The aim of this study is to create the first physiological database of the blood flow quantification in the external carotid tree in order to help the surgeon in facial reconstruction by free flap. An original protocol association with 32 head coils channel and microscopic coil is created and 2D PC-MRI are performed on arteries from head and neck area. Blood flow average for each artery is 17 mL/min in superior thyroid artery, 6.5 mL/min in lingual artery, 30.5 mL/min in facial artery, 23.5 mL/min in internal maxillary artery, 21.5 mL/min in superficial temporal artery.
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