ArticleNeuroradiology2023
The proximity between styloid process and internal carotid artery as a possible risk factor for dissection: a case-control study.
Article in Neuroradiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 10 citations in OpenAlex.
- Styloid process morphology in extracranial internal carotid artery dissection: a CTA case-control study.BMC medical imaging · 2026Article
- Anatomical characteristics of the styloid process associated with internal carotid artery dissection: a systematic review and meta-analysis of controlled trials.Frontiers in radiology · 2026Review
- Traumatic Carotid Artery Dissection Following a Brazilian Jiu-Jitsu Chokehold: A Case Report.Cureus · 2025Article
- Dynamic imaging evaluation of the positional relationship between the elongated styloid process and the carotid artery stent using cone-beam CT: illustrative case.Journal of neurosurgery. Case lessons · 2025Article
- Styloid process-related internal carotid artery dissection: extensive literature review of diagnosis, treatment and outcomes (exemplified with a single-center case series).Neuroradiology · 2025Review
- Endovascular Treatment of Carotid Artery Dissection Caused by Eagle's Syndrome : Case Report.Clinical neuroradiology · 2025Article
- Internal carotid artery dissection leading to occlusion in a patient with nonelongated styloid process: illustrative case.Journal of neurosurgery. Case lessons · 2025Article
- Retrostyloid and retromandibular courses of the external carotid artery.Surgical and radiologic anatomy : SRA · 2024Article
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Authors and funding
7 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe anatomical proximity of the styloid process (SP) to the ipsilateral internal carotid artery (ICA) has been recently recognized as a possible risk factor for carotid artery dissection (CAD). We aimed to verify this hypothesis by comparing the minimum distance between SP and ICA in young adult patients (< 55 years) with and without CAD.
methodsThirty-one CAD patients (cases) were compared with 41 sex-matched patients without dissection, group one of control (G1), and with 16 sex-matched patients with vertebral artery dissection (VAD), group two of control (G2). Two independent observers measured, on CT angiography images, the minimum distance on the axial plane between the SP and ICA in cases and controls. They evaluated both the intercentric and the marginal distance. Differences between groups were estimated by Student t-test.
resultsSP-ICA intercentric distance ipsilateral to dissection was significantly shorter compared to that of the contralateral side of cases (p < 0.001), to those of left and right side of G1 patients (p < 0.001 for both), and to those of left and right side of G2 patients (p < 0.001 for both). SP-ICA marginal distance of cases was significantly shorter compared to those of left and right side of G1 patients (p < 0.001 for both) and to those of left and right side of G2 patients (p < 0.001 for both).
conclusionA short SP-ICA distance appears to be a risk factor for CAD as it likely induces a continuous microtraumatism of the vessel wall during normal head and neck movements.
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