ArticleAJNR. American journal of neuroradiology2025
Assessment of Attenuation in Pericarotid Fat among Patients with Carotid Plaque and Spontaneous Carotid Dissection.
Article in AJNR. American journal of neuroradiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Perivascular fat attenuation on computed tomography angiography is associated with aneurysm recurrence after endovascular coil embolization.Neuroradiology · 2026Article
- Plaque-level comparison of carotid CTA and high-resolution magnetic resonance vessel wall imaging for assessing MRI-defined plaque vulnerability.European radiology · 2026Article
- Spontaneous Multiple Cervical Artery Dissections Detected with High-Resolution MRI: A Prospective, Case-Series Study.Journal of clinical medicine · 2025Article
- Correlation of carotid plaque and peripheral carotid adipose tissue characteristics with coronary computed tomography angiography-based fractional flow reserve.Journal of cardiothoracic surgery · 2025Article
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Authors and funding
13 authors.
Funding
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Abstract
background and purposeChanges in perivascular fat density (PFD) and its association with inflammation have been topics of interest in both atherosclerotic and nonatherosclerotic vasculopathies. The objective of this study was to assess the PFD in patients with spontaneous internal carotid artery dissection (SICAD) or carotid atherosclerotic plaque, with and without intraplaque hemorrhage (IPH). MATERIALS AND
methodsA cross-sectional retrospective bicentric analysis of 130 patients (30 with SICAD and 100 with carotid atherosclerotic plaque) who underwent CT angiography was performed. Among the subjects with atherosclerotic plaque, 36 showed the presence of IPH. PFD analysis was performed by 2 radiologists who placed 2 ROIs to identify the perivascular fat tissue attenuation. The Mann-Whitney
resultsCarotid arteries with SICAD and IPH demonstrated an average PFD of -68.97 HU (95% CI, -72.11 to -65.82 HU) and -69.97 HU (95% CI, -73.00 to -66.95 HU), respectively, in comparison with patients without IPH, who showed an average PFD -77.11 HU (95% CI,-78.78 to -75.44 HU) (
conclusionsThe average PFDs in patients with SICAD and carotid atherosclerosis plaque with IPH were similar and higher than those in patients with carotid plaque without IPH. This finding suggests a shared pathologic inflammatory mechanism in these 2 conditions. Studies comparing pathologic specimens directly with radiologic images may be needed to confirm this indirect hypothesis.
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