Quantitative Prediction of the Location of Carotid Bifurcation and Neurovascular Structures in the Carotid Region: A Cross-Sectional Cadaveric Study
Table 2
Summary of left vs. right comparison of carotid measurements.
95% CI for mean difference
Distance ()
Left (mm)
Right (mm)
Mean difference
SE difference
Lower
Upper
MBC to angle of mandible
0.260
-1.89
1.63
-5.29
1.51
MBC to stylohyoid m.
0.170
-2.19
1.53
-5.38
1.01
MBC to carotid bifurcation
<.001
11.41
1.02
9.28
13.54
MBC to STA
<.001
8.53
1.31
5.80
11.26
MBC to facial vein
<.001
13.88
0.88
12.05
15.71
MBC to CN XII
<.001
12.53
0.91
10.64
14.42
Bifurcation to stylohyoid m.
<.001
4.36
0.74
2.82
5.89
Bifurcation to facial vein
0.270
-0.68
0.60
-1.93
0.57
Bifurcation to ECA/ICA
0.162
-2.53
1.74
-6.15
1.10
Bifurcation to CN XII
0.003
-3.09
0.90
-4.98
-1.21
Bifurcation to SLN
0.475
1.18
1.63
-2.21
4.58
MBC: medial border of the clavicle; STA: superior thyroid artery; CN XII: hypoglossal nerve; ECA/ICA: point above the bifurcation where the external-internal carotid artery crossover occurs; SLN: superior laryngeal nerve.
