Table 2.
Distance measurements performed on 3D photographs using facial landmarks (Table 1). Distance measurements 1–7 were performed on the right and left sides of the head, using the landmarks of the corresponding side.
| Distance Measurement According to M.D. Anderson Cancer Center [16] | Landmarks on 3D Photograph | |
|---|---|---|
| 1 | Tragus to mental protuberance | T to Pg’ |
| 2 | Tragus to mouth angle | T to Ch |
| 3 | Mental protuberance to internal eye corner | Pg via A to En |
| 4 | Mandibular angle to external eye corner | Go’ to Ex |
| 5 | Mandibular angle to internal eye corner | Go’ to En |
| 6 | Mandibular angle to nasal wing | Go’ to A |
| 7 | Mandibular angle to metal protuberance | Go’ to Pg’ |
| Head diagonal | Diagonal circumference: chin to crown of the head | Left OBS via Pg’ to right OBS |
| Head vertical | Vertical circumference: in front of the ear | Left OBS via left Go’, H, and right Go’ to right OBS |
| Neck superior | Superior neck circumference | Left N Nsup via mid Nsup to right Nsup |
| Neck middle | Middle neck circumference | Left Nmid via mid Nmid to right Nmid |
| Neck inferior | Inferior neck circumference | Left Ninf via mid Ninf to right Ninf |