Neurovascular Anatomy

No sensory component is described. The temporoparietal fascia's blood supply is the superficial temporal artery and vein emanating from the depths of the parotid at the tragus: the vessels lie either on the surface of the fascia or within it. The superficial temporal vessels leave the fascia and enter the subdermal plane approximately 10 cm above the crus helix (40). Above the level of the zygoma, the vessels split into parietal

Figure 20 Temporoparietal fascial flap inset over a facial defect, providing a vascularized surface for a split-thickness skin graft. The defect (A) resulted from a wide local excision of a skin cancer; zygomatic bone was exposed. A temporoparietal fascial flap (B) was harvested and transferred over the defect. A skin graft was placed (C) and the final appearance is shown (D).

Figure 20 Temporoparietal fascial flap inset over a facial defect, providing a vascularized surface for a split-thickness skin graft. The defect (A) resulted from a wide local excision of a skin cancer; zygomatic bone was exposed. A temporoparietal fascial flap (B) was harvested and transferred over the defect. A skin graft was placed (C) and the final appearance is shown (D).

and temporal branches, allowing the fascia to be split (Fig. 21). In addition, the middle temporal artery branches from the superficial temporal artery just superior to the zygomatic arch to supply the temporalis fascia and underlying muscle. The use of the superficial layer of deep temporalis fascia and the temporoparietal fascia based on the proximal superficial temporal artery is described (41).

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