Table 2.
Numbers of arterial branches detected with multi slice computed tomography angiography (CTA) and contrast enhanced magnetic resonance angiography (MRA), in 20 patients (due to previous therapy or atherosclerotic disease the total number of detected vessel segments can be less than 40)
|
External carotid artery branches |
CTA |
MRA |
p
|
||
|---|---|---|---|---|---|
| Total | % | Total | % | ||
| Carotid artery bifurcation |
40 |
100 |
40 |
100 |
1.000 |
| External carotid artery mainstem |
34 |
85 |
34 |
85 |
1.000 |
| Superior thyroid artery |
37 |
92.5 |
37 |
92.5 |
1.000 |
| Lingual artery |
37 |
92.5 |
35 |
87.5 |
.500 |
| Facial artery |
28 |
70 |
28 |
70 |
1.000 |
| Ascending pharyngeal artery |
33 |
82.5 |
3 |
7.5 |
< .001 |
| Occipital artery |
39 |
97.5 |
37 |
92.5 |
.500 |
| Posterior auricular artery |
33 |
82.5 |
16 |
40 |
< .001 |
| Superficial temporal artery |
36 |
90 |
34 |
85 |
.500 |
| Maxillary artery |
38 |
95 |
37 |
92.5 |
1.000 |
| All segments | 365 | 91.3 | 311 | 77.8 | < .001 |