Research Article

Quantitative Prediction of the Location of Carotid Bifurcation and Neurovascular Structures in the Carotid Region: A Cross-Sectional Cadaveric Study

Table 1

Summary of measurements with statistical description.

Distance ()MeanSEMMedianSDVarianceRange (min–max)

MBC to mastoid process157.811.59155.7610.79116.4451.14 (139.56–190.7)
MBC to angle of mandible127.540.94127.806.3540.3725.27 (116.45–141.72)
MBC to stylohyoid m.117.521.50116.1810.15102.9237.45 (102.09–139.54)
MBC to carotid bifurcation107.951.63108.1811.08122.7847.64 (87.56–135.2)
MBC to STA105.181.54107.5810.43108.8338.84 (84.57–123.41)
MBC to facial vein106.451.35105.949.1784.0837.76 (91.25–129.01)
MBC to CN XII117.431.45118.089.8496.8638.67 (96.51–135.18)
Bifurcation to stylohyoid m.21.731.3922.489.4789.7038.53 (0.39–38.92)
Bifurcation to ECA/ICA25.771.3325.459.0081.0245.02 (0.98–46.00)
Bifurcation to facial vein11.700.87115.9234.9922.79 (0.03–22.82)
Bifurcation to CN XII19.991.3820.849.3587.4736.14 (3.16–39.3)
Bifurcation to SLN10.090.9910.076.7145.0225.31 (0.09–25.4)

MBC: medial border of the clavicle; SEM: standard error of mean; SD: standard deviation; 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.