ArticleSurgical and radiologic anatomy : SRA2024
Unusually elongated superior thyroid cornu associated with recurrent cerebral embolisms.
Article in Surgical and radiologic anatomy : SRA, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 1 citations in OpenAlex.
- Radioanatomical relationships of the carotid arteries to the superior cornu of the thyroid cartilage.Surgical and radiologic anatomy : SRA · 2026Article
- An unusual case of ischemic stroke resulting from hyoid bone compression of the internal carotid artery.Radiology case reports · 2025Article
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7 authors at 2 institutions in 1 country.
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Abstract
The superior thyroid cornu (STC) is a normal anatomic structure that forms part of the thyroid cartilage. Here, we report a patient with unusually elongated and ossified STC that might result in recurrent cerebral embolisms. During a second endovascular therapy for recurrent middle cerebral artery embolism, a segment with an irregular filling defect was noted in the internal carotid artery (ICA), at the C1 level. This defect was unnoticed during the initial endovascular procedure. Three-dimensional computed tomography angiography performed after the second endovascular procedure revealed an ICA segment located between the STC and C1 with a tortuous course and irregular wall of the ICA. Therefore, we assumed that STC compression of the ICA could have resulted in thrombus formation at the site and consequent cerebral embolism. The STC should be considered a structure responsible for cerebral embolism. Careful evaluation of the entire ICA course is imperative prior to performing an endovascular thrombectomy for acute embolic occlusion of the middle cerebral artery.
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