ArticleMedical journal, Armed Forces India2025
An anatomical perspective on the causal and associative factors of tortuosity in the cervical segment of the internal carotid artery.
Article in Medical journal, Armed Forces India, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: The tortuosity of the cervical segment of the internal carotid artery (c-ICA) holds clinical and surgical significance, yet its associated anatomical factors remain insufficiently elucidated. This study aimed to explore the incidence of c-ICA tortuosity in cadaveric specimens and assess its correlation with macroscopic and microscopic parameters pertaining to the c-ICA. Methods: The study involved dissection of the c-ICA in 52 cadaveric specimens, with documentation of tortuosity type, the level of common carotid artery (CCA) division, carotid sinus (CS) morphology and location, anatomical relationships of the c-ICA, and circumferences of the CCA and c-ICA. Additionally, 20 specimens were processed for haematoxylin and eosin staining and confocal microscopy for vessel wall evaluation. Results: Of the 52 specimens ( Conclusion: Factors such as level of CCA division, CS morphology, and location do not appear to influence c-ICA tortuosity. Vessel wall morphology, vessel wall remodelling, and anatomical relationships, particularly the SCG, contribute to c-ICA tortuosity, particularly t-C&S and kinking types. Kinking follows t-C&S in pathogenesis. Coiling exhibits distinct characteristics compared to the other tortuosity types suggesting a different underlying aetiopathogenesis.
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