ArticleUltraschall in der Medizin (Stuttgart, Germany : 1980)2026
Preoperative ultrasound detection of arteria lusoria and non-recurrent laryngeal nerve anatomical variation: a retrospective study.
Article in Ultraschall in der Medizin (Stuttgart, Germany : 1980), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Ultrasonography of the recurrent laryngeal nerve in thyroid cancer: advances in clinical application and research progress.Frontiers in oncology · 2026Review
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Purpose: Arteria lusoria (AL), a rare vascular variant (prevalence of 0.5-3.2%), is linked to a right non-recurrent laryngeal nerve (RNRLN), thereby increasing nerve injury risk during thyroid and parathyroid surgery. This study evaluates ultrasonography (US) for preoperative AL detection. Materials and Methods: Retrospective analysis of 1406 hyperparathyroidism patients undergoing 18F-fluorocholine PET/CT with subgroup analysis in 270 patients with "expert US" performed on-site. An experienced senior radiologist assessed the US Y-image (brachiocephalic artery division), with low-dose CT as the standard of truth for AL confirmation. Results: 18F-fluorocholine PET/CT analysis found 22 cases of AL (prevalence: 1.57%). US identified 259 Y-images, excluding AL, confirmed by CT. Five absent Y-images indicated AL, all were confirmed by CT. Six non-assessable Y-images were AL-negative on CT. US performance: sensitivity 100% (95% CI: 0.463-1), specificity 98% (95% CI: 0.95-0.99), negative predictive value (NPV) 100%, accuracy 98%. Conclusion: US Y-image assessment reliably excludes AL with an NPV of 100%, offering a non-invasive tool to reduce RNRLN injury risk in thyroid and parathyroid surgery.
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