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  • Part A illustration by Mark Miller, based on a sketch by Cat N. Burkat, MD; part B illustration by Mark Miller; part C courtesy of Patrick Yang, MD, and Nancy Tucker, MD.
    File Size: 194 KB

    Arterial danger zones of the face. A, Green shading denotes areas to inject with caution. B, C, An intravascular bolus of filler can reach the ophthalmic artery via retrograde flow from any number of facial arteries.