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Table 2 Incidence of elongation of the internal carotid artery and associated curving/kinking/tortuosity and coiling/looping reported in some countries.

From: Unilateral congenital elongation of the cervical part of the internal carotid artery with kinking and looping: two case reports and review of the literature

Authors

Year

Country

Number of all studied cases

Curving, Kinking, Tortuosity

Coiling, Looping

    

No of cases

%

No of cases

%

Borioni et al [21]

1994

Italy

653

37

6.7

-

-

Koskas et al [32]

1993

France

2304

139

6.0

35

1.5

La Barbera et al [33]

2006

Italy

169

10

5.9

-

-

Pancera et al [29]

2000

Italy

590

368

62.4

-

-

Paulsen et al [8]

2000

Germany

282

86

30.5

5

1.8

Poulias et al [50]

1996

Greece

1123

38

3.4

21

1.9

Tillmann et al [18]

1995

Germany

89

4

4.5

-

-

Togay-Isikay et al [24]

2005

Turkey

345

78

22.6

7

2.0

Van Damme et al [26]

1996

Belgium

2188

62

2.8

-

-

Our study

2007

Trinidad

14

1

7.1

1

7.1