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  • Title: A cadaver investigation of the blood supply of the galeal frontalis flap.
    Author: Fukuta K, Potparic Z, Sugihara T, Rachmiel A, Forté RA, Jackson IT.
    Journal: Plast Reconstr Surg; 1994 Nov; 94(6):794-800. PubMed ID: 7972424.
    Abstract:
    The vascular anatomy of the galeal frontalis flap was studied in 12 fresh cadavers by an intraarterial dye injection technique. Special attention was directed to the length limit of this flap. The general belief that the galeal frontalis flap has a robust vascularity by means of the supratrochlear and supraorbital arteries was not demonstrated in this study. In the medial half of the forehead, superficial branches of both arteries penetrated the frontalis muscle immediately above the supraorbital rim and ran superficially in the subcutaneous tissue. In the lateral half, some of the superficial branches of the supraorbital artery traveled with the frontalis muscle and anastomosed with the frontal branch of the superficial temporal artery. Deep branches of the supratrochlear and supraorbital arteries showed an axial distribution on the periosteum only for a short distance. One or two branches of the supraorbital artery were found to take a superficial course within the subgaleal layer, pierce the frontalis muscle, and anastomose with the superficial temporal artery. These findings suggest that the galeal frontalis flap should be elevated in the lateral forehead. The preservation of the periosteum with the flap is recommended in order to ensure the temporoparietal extension.
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