Study of Accessory Foramen Transversaria in Cervical Vertebrae

Vertebral artery injury is not common but may be a disastrous complication during cervical spine surgery. Proper preoperative planning is essential for any surgeon and exact knowledge of the anatomy in each patient is essential. This study strongly recommends the preoperative use of a CTa when suspicion of a variation is present and implied by a foramen variation. These slides can be retrieved under Electronic Supplementary Material.

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“…Together, they form the basilar artery [18]. [1,[19][20][21]. These results comply with our study's findings.…”

Section: Discussionsupporting

confidence: 93%

Variations of transverse foramina in cervical vertebrae: what happens to the vertebral artery?

et al. 2018

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“…Rathnakar et al reported the incidence of double FT as a total of 5.7% (unilateral 3.6%, bilateral 1.42%) out of 140 vertebrae. 8 We also found the incidence of double FT 5.7% in our population, which is similar to this study.…”

Section: Discussion: Double Foramen Transversarium (Ft) Issupporting

confidence: 91%

Presence of Double Foramen Transversarium in Cervical Vertebra in the Population of Upper Assam of India

Thakuria¹,

Roy²,

Bora³

2016

jebmh

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The cervical vertebrae are the smallest of the moveable vertebrae, and are characterized by a foramen in each transverse process. The transverse process is morphologically composite around the foramen transversarium. AIM The present study has been undertaken to know the incidence of double foramen transversarium in dried cervical vertebrae in upper Assam population. MATERIALS & METHODS A total number of 210 dried cervical vertebrae of unknown age and sex were collected from the anatomy department. All the collected cervical vertebrae were examined macroscopically for the existence of the double foramen transversarium on both sides. The data was then compiled and later analyzed. RESULTS Out of 210 cervical vertebrae, the double foramen transversarium was found in 12(5.7%) vertebrae. Among these 12 specimens, the double foramen is by the addition of a small one behind the ordinary foramen in eight (0.6%) vertebrae; whereas in rest four (0.3%) vertebrae, on one side, there is an hour-glass contraction marking off two foramina. The incidence of unilateral duplication was higher than bilateral.

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“…In any case, our finding of DTF in infantile cervical vertebrae contributes to a greater clinical meaning of this anatomical variant in today's paediatric population, especially because DTF might be associated with a greater risk of vertebral artery sectioning and cerebral infarction due to osseous cervical anomalies (Sedney and Rosen, 2011). Clinical importance of DTF contrasts with a lack of data on DTF prevalence in today's paediatric population, since research studies has exclusively focused on both present adult populations (Aydınoğlu et al, 2001;Das et al, 2005;Sanchis-Gimeno et al, 2005;Sharma et al, 2010;Murlimanju et al, 2011;Agrawal et al, 2012;Chandravadiya et al, 2013;Rathnakar et al, 2013;Katikireddi and Setty, 2014) and ancient adult populations from archaeological samples (Taitz et al, 1978;Nagar et al, 1999;Kaya et al, 2011). Since vertebrae with DFT analyzed in this study were ancient, fragile and incompleted, it was not possible to study DFT prevalence in our subject population.…”

Section: Discussionmentioning

confidence: 99%

DOUBLE TRANSVERSE FORAMEN IN INFANTILE CERVICAL VERTEBRAE OF THE LATE 17TH AND EARLY 18TH CENTURIES. Doble foramen transverso en las vértebras infantiles cervicales de finales del siglo XVII y principios del XVIII

Quiles-Guiñau

Miquel-Feucht

2016

Rev Arg de Anat Clin

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La presencia de doble foramen transverso es una variante anatómica que se observa con frecuencia en el raquis cervical inferior y que presenta implicaciones clínicas en relación con la arteria vertebral. Aunque en la actualidad existe cierta controversia acerca de si el origen de esta variante cervical es congénito o adquirido, y a pesar de que la presencia de doble foramen transverso en población infantil descartaría un origen degenerativo-artrósico, se encuentra una falta de información acerca de su presencia en vértebras cervicales infantiles. En este sentido, nuestro objetivo ha sido analizar la presencia de doble foramen transverso en vértebras cervicales infantiles procedentes de restos óseos, datados entre finales del siglo XVII y principios del XVIII, y exhumados de una fosa común en la Iglesia de Nuestra Señora de los Ángeles en Castielfabib (Ademuz, España). Se encontraron 10 vértebras infantiles con doble foramen transverso, 4 de ellas pertenecientes a niños de menos de 4 años y 6 a niños de más de 4 años. Este hallazgo apoya un origen congénito de esta variante anatómica, frente a la hipótesis degenerativo-artrósica, y apunta a la necesidad de un estudio en profundidad acerca de la prevalencia actual de esta variante anatómica en población pediátrica, dadas sus posibles consecuencias clínicas. Double transverse foramen is an anatomical variant often observed in the inferior cervical spine and which may present clinical considerations with regard to the vertebral artery. There is some current controversy as to whether the origin of this cervical variant is congenital or acquired. Despite the fact that its presence in children would discard a degenerative osteo-arthritic origin, there is a lack of information on the origin and physiological meaning of this anatomical feature. In this respect, our objective was to analyse the presence of double transverse foramen in infantile cervical vertebrae in skeletal samples dating from the end of the 17th and early 18th centuries and exhumed from a common grave in the "Nuestra Señora de los Ángeles" church, in Castielfabib (Ademuz, Valencia, Spain). Ten infantile vertebrae with double transverse foramen were discovered: 4 from children under 4 years old and 6 from children over 4 years old. This finding supports more a congenital origin than a degenerative osteoarthritis process. Therefore, it is fundamental to further study its prevalence in a current paediatric population and its clinical significance.

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Study of Accessory Foramen Transversaria in Cervical Vertebrae

Cited by 11 publications

References 2 publications

Variations of transverse foramina in cervical vertebrae: what happens to the vertebral artery?

Variations of transverse foramina in cervical vertebrae: what happens to the vertebral artery?

Presence of Double Foramen Transversarium in Cervical Vertebra in the Population of Upper Assam of India

DOUBLE TRANSVERSE FORAMEN IN INFANTILE CERVICAL VERTEBRAE OF THE LATE 17TH AND EARLY 18TH CENTURIES. Doble foramen transverso en las vértebras infantiles cervicales de finales del siglo XVII y principios del XVIII

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