Table 2

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

Ovchinnikov et al. Head & Face Medicine 2007 3:29   doi:10.1186/1746-160X-3-29