Single-stage microtia auricular reconstruction is becoming more relevant. The determining factor is a temporoparietal fascia flap (TPF) with both branches of the superficial temporal artery (STA). There are not many studies regarding vascular branching and their relation with the frontal branch of the facial nerve, hence our study Materials and Methods: Anatomical study on TPF flap harvested during single-stage endoscopic assisted microtia auricular reconstruction from May 2018 to July 2021. Flaps were observed under microscope. Variables (vascular size, number of frontal/parietal branches, distance from branching location to estimated external ear canal, distance from frontal artery to projected course of facial nerve's frontal branch etc.) and demographic information were obtained
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