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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)

From: Whole body magnetic resonance angiography and computed tomography angiography in the vascular mapping of head and neck: an intraindividual comparison

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