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Facial Ultrasound 101

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9.02: Midface/Cheek standardized zones

Facial Ultrasound 101 9.02: Midface/Cheek standardized zones
YOUR ASSIGNMENT FOR THIS LESSON

✅ Step #1: Watch the video presention below. 

✅ Step #2: Click the “Mark Complete” button

The standardized upper midface zones:

Key structures that may be visible in the cheek zones:

ZONEPOSSIBLE KEY ANATOMY*
C1
The intersection of the vertical lateral canthal line from the orbital rim to the horizontal line from the superior alar groove		 Orbicularis oculi m.
Zygomaticus major m.
Zygomaticus minor m.
SOOF
Superficial malar fat
Perforators from facial a.
Zygomatic ligament
C2
The intersection of the vertical line from the mid pupil to the horizontal line from the superior alar groove		 Orbicularis oculi m.
Levator labii superioris m.
Infraorbital a.
Facial v.
LAO
Deep Medial Fat Compartment
C3
The intersection of the vertical line from the medial canthus to the horizontal line from the superior alar groove		 orbicularis oculi m.
LLSAN
Angular a. and v.
Levator labii superioris m.
C4
The intersection of the vertical line from the mid pupil to the horizontal line from the inferior alar groove		 Zygomaticus major m.
Zygomaticus minor m.
Perforators from facial a.
C5
The intersection of the vertical lateral canthal line from the orbital rim to the horizontal line from the inferior alar groove		 Levator labii superioris m.
Zygomaticus minor m.
LAO
Infraorbital a.
Facial v.
Deep Medial Fat Compartment
C6
The intersection of the vertical line from the medial canthus to the horizontal line from the inferior alar groove		 LLSAN
Levator labii superioris m.
Nasalis m.
Angular a. and v.
Deep medial cheek fat

*The structures that can be identified in each zone are subject to variation based on probe footprint, resolution and individual anatomical variability.

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