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Morphometric study and anatomical variation with its incidence of foramina transversaria on the lower cervical vertebrae / Estudio morfométrico y variación anatómica con la incidencia de forámenes transversos en las vértebras cervicales inferiores
Samrid, Rarinthorn; Iamsaard, Sitthichai; Kasai, Yuichi; Poodendan, Chanasorn; Yannasithinon, Supataechasit; Sae-Jung, Surachai; Chaiyamoon, Arada.
  • Samrid, Rarinthorn; Khon Kaen University. Faculty of Medicine. Department of Anatomy and Unit of Human Bone Warehouse for Research. Khon Kaen. TH
  • Iamsaard, Sitthichai; Khon Kaen University. Faculty of Medicine. Department of Anatomy and Unit of Human Bone Warehouse for Research. Khon Kaen. TH
  • Kasai, Yuichi; Khon Kaen University. Faculty of Medicine. Department of Orthopedics. Khon Kaen. TH
  • Poodendan, Chanasorn; Naresuan University. Faculty of Medical science. Department of Anatomy. Phitsanulok. TH
  • Yannasithinon, Supataechasit; Khon Kaen University. Faculty of Medicine. Department of Anatomy and Unit of Human Bone Warehouse for Research. Khon Kaen. TH
  • Sae-Jung, Surachai; Khon Kaen University. Faculty of Medicine. Department of Orthopedics. Khon Kaen. TH
  • Chaiyamoon, Arada; Khon Kaen University. Faculty of Medicine. Department of Anatomy and Unit of Human Bone Warehouse for Research. Khon Kaen. TH
Int. j. morphol ; 41(1): 111-117, feb. 2023. ilus, tab
Artigo em Inglês | LILACS | ID: biblio-1430506
ABSTRACT

SUMMARY:

Anatomical variation of the foramina transversaria (FT) is associated with vertebral neurovascular symptoms and can cause complications after lower spine surgery, especially cervical pedicle screw (CPS) insertion. FT variation has been documented and classified in various populations, as this information can help increase cervical stability in subaxial vertebral surgery. Although the morphometry of the upper cervical spine in Thai populations has been reported, there have yet been no studies examining the features of FT. The FT of dried cervical spines (C3-C7; left and right side; n = 107, male = 53 and female = 54) were examined for morphological variation, and their anteroposterior (AP) and transverse (T) diameters were measured using a digital vernier caliper. Morphometric data and variations were compared by sex and lateral side. It was that the C3-C6 FT in both sexes were round, and the C7 FT was elliptical with an oblique right side. FT diameters did not differ significantly by sex except for the AP diameters of C6-C7 and for T diameters of C4 and C7. The left AP diameters of C3-C6 were significantly longer than the right, as were the T diameters of C4 and C7 FT. Additionally, T diameter was significantly longer than that of the AP, except that of the left C6 in male spines, which did not differ from the AP. Most FT examined were round. These findings should be considered in the provisional diagnosis of vertebral neurovascular symptoms caused by FT variation as well as that of neurovascular damage after cervical pedicle screw placement.
RESUMEN
La variación anatómica del foramen transverso (FT) se asocia con síntomas neurovasculares vertebrales y puede causar complicaciones después de la cirugía de columna cervical inferior, especialmente la inserción de tornillos pediculares cervicales (TPC). La variación del FT se ha documentado y clasificado en varias poblaciones, ya que esta información puede ayudar a aumentar la estabilidad cervical en la cirugía vertebral subaxial. Aunque se ha informado sobre la morfometría de la columna cervical superior en poblaciones tailandesas, aún no se han realizado estudios que examinen las características de FT. Se examinó la variación morfológica del FT de vértebras cervicales secas (C3-C7; lado izquierdo y derecho; n = 107, hombres = 53 y mujeres = 54), y se midieron sus diámetros anteroposterior (AP) y transverso (T) usando un pie de metro digital. Se compararon datos morfométricos y variaciones por sexo y lado. Los FT de C3-a C6 en ambos sexos eran redondos, y el FT C7 era elíptico con el lado derecho oblicuo. Los diámetros del FT no difirieron significativamente por sexo excepto para los diámetros AP de C6- C7 y para los diámetros transversos de C4 y C7. Los diámetros AP izquierdos de C3-C6 eran significativamente más largos que los del lado derecho, al igual que los diámetros transversos de C4 y C7. Además, el diámetro transverso fue significativamente mayor que el AP, excepto el C6 izquierdo en las vértebras de hombres, que no difirió del AP. La mayoría de los FT examinados eran redondos. Estos hallazgos deben ser considerados en el diagnóstico provisional de síntomas neurovasculares vertebrales causados por la variación del FT, así como en el de daño neurovascular tras la colocación de tornillos pediculares cervicales.
Assuntos


Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Vértebras Cervicais / Variação Anatômica Tipo de estudo: Estudo de incidência / Fatores de risco / Estudo de rastreamento Limite: Feminino / Humanos / Masculino País/Região como assunto: Ásia Idioma: Inglês Revista: Int. j. morphol Assunto da revista: Anatomia Ano de publicação: 2023 Tipo de documento: Artigo País de afiliação: Tailândia Instituição/País de afiliação: Khon Kaen University/TH / Naresuan University/TH

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Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Vértebras Cervicais / Variação Anatômica Tipo de estudo: Estudo de incidência / Fatores de risco / Estudo de rastreamento Limite: Feminino / Humanos / Masculino País/Região como assunto: Ásia Idioma: Inglês Revista: Int. j. morphol Assunto da revista: Anatomia Ano de publicação: 2023 Tipo de documento: Artigo País de afiliação: Tailândia Instituição/País de afiliação: Khon Kaen University/TH / Naresuan University/TH