Table 1.
Region | Scan before Injecting | Scan While Injecting | Desired Planes to Inject | What to Avoid in This Region |
---|---|---|---|---|
Temporal Region Technique 1: Subdermal filler placement |
No | Yes | Subcutaneous fat tissue | Superficial temporal artery and vein |
Temporal Region Technique 2: Interfascial filler placement | No | Yes | Interfascial plane between the superficial temporal fascia and deep temporal fascia (superficial lamina) | Superficial temporal artery and vein, middle temporal vein, sentinel vein |
Temporal Region Technique 3: Low supraperiosteal filler placement (“one up, one over” technique) |
Yes | No | Supraperiosteal plane | Anterior deep temporal artery |
Frontal Region: Glabella | Yes | Yes | Usually superficial, may vary according to the depth of the arteries on DUS | Supratrochlear, central and paracentral arteries |
Frontal Region: Forehead | Yes | Yes | Usually deep, may vary according to the depth of the arteries on DUS | Supraorbital, supratrochlear, central and paracentral arteries |
Frontal Region: Supraorbital region | Yes | Yes | ROOF | Supraorbital artery |