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. 2016 Apr 29;83(3):261–268. doi: 10.1016/j.bjorl.2016.03.016

Table 1.

Diameters of the facial canal at the labyrinthine, horizontal and mastoid segments in patients with Bell's palsy. All values reported as mm.

Case n° Labyrinthine segment
Tympanic segment
Mastoid segment
Affected side Unaffected side Affected side Unaffected side Affected side Unaffected side
1 1.00 0.70 0.82 0.80 1.33 1.38
2 1.10 1.30 1.38 1.30 1.71 1.63
3 0.90 1.27 1.20 1.54 2.05 1.69
4 1.13 1.37 1.43 1.07 1.72 1.62
5 0.95 1.06 1.42 1.49 1.76 1.93
6 1.25 1.32 1.60 1.69 1.87 1.75
7 1.30 1.35 1.67 1.41 1.60 1.80
8 1.25 1.20 1.49 1.48 1.77 1.80
9 1.45 1.54 1.12 1.59 1.77 1.59
10 1.15 1.43 1.43 1.62 1.57 1.79
11 1.06 1.36 1.47 1.15 1.40 1.50
12 1.27 1.10 0.80 1.13 0.80 1.27
13 1.10 1.12 0.75 1.12 1.12 0.99
14 0.95 1.22 1.95 1.19 1.24 1.09
15 1.05 1.44 1.81 1.52 1.49 1.25
16 0.80 1.10 1.15 1.50 1.98 2.05
17 1.20 1.40 1.38 1.09 1.79 1.46
18 1.25 1.40 1.48 1.48 1.56 1.79
19 1.06 1.00 1.44 1.15 1.46 1.62
20 0.80 1.35 1.62 1.87 1.40 1.54
21 1.10 1.48 1.50 2.00 0.96 2.11
22 1.20 1.15 1.14 1.44 2.33 2.48
23 1.05 1.35 1.72 1.54 1.77 1.77
24 1.30 0.95 1.40 1.60 1.38 1.25
25 1.05 1.50 1.50 1.42 1.90 1.83
26 0.90 1.25 1.25 1.50 1.49 1.79
27 0.80 0.90 1.40 1.26 1.09 1.26
28 1.15 1.05 1.70 1.96 1.63 1.50
29 0.73 0.83 1.62 1.31 2.01 1.83
30 1.25 1.42 1.38 1.34 1.54 1.62
31 0.83 0.95 1.46 1.46 1.62 1.31
32 0.85 1.05 0.80 1.00 1.38 1.43
33 1.25 1.30 1.05 0.90 1.98 1.85
34 1.48 1.56 1.50 1.66 1.65 1.27



Mean 1.09 1.23 1.38 1.39 1.59 1.61
SD 0.19 0.22 0.29 0.28 0.33 0.31
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