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Korean J Radiol. 2015 Jul-Aug;16(4):749-66. doi: 10.3348/kjr.2015.16.4.749. Epub 2015 Jul 1.

Ultrasonography-Based Thyroidal and Perithyroidal Anatomy and Its Clinical Significance.

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Department of Radiology, Ajou University School of Medicine, Suwon 443-380, Korea.
Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, Korea.


Ultrasonography (US)-guided procedures such as ethanol ablation, radiofrequency ablation, laser ablation, selective nerve block, and core needle biopsy have been widely applied in the diagnosis and management of thyroid and neck lesions. For a safe and effective US-guided procedure, knowledge of neck anatomy, particularly that of the nerves, vessels, and other critical structures, is essential. However, most previous reports evaluated neck anatomy based on cadavers, computed tomography, or magnetic resonance imaging rather than US. Therefore, the aim of this article was to elucidate US-based thyroidal and perithyroidal anatomy, as well as its clinical significance in the use of prevention techniques for complications during the US-guided procedures. Knowledge of these areas may be helpful for maximizing the efficacy and minimizing the complications of US-guided procedures for the thyroid and other neck lesions.


Core needle biopsy; Nerve block; RF ablation; Thyroid; Ultrasonography

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