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CC BY 4.0 · Indian J Plast Surg 2025; 58(02): 090-096
DOI: 10.1055/s-0044-1792154
Original Article

Vascular Labeling of Extracranial Head and Neck Vessels Using Silicone Dye Injection: An Effective Method for Cadaver-Based Facial Surgery Training

Raja Tiwari 
1   Department of Plastic, Reconstructive and Burns Surgery, All India Institute of Medical Sciences, New Delhi, India
,
Renu Dhingra
2   Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India
,
Sanjeev Lalwani
3   Division of Forensic Pathology and Molecular DNA Laboratory, All India Institute of Medical Sciences, New Delhi, India
,
Maneesh Singhal
1   Department of Plastic, Reconstructive and Burns Surgery, All India Institute of Medical Sciences, New Delhi, India
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Funding The project has received Early Career Intramural grant from All India Institute of Medical Sciences, New Delhi.
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Abstract

Background Silicone dye injection is a well-described technique for studying vascular anatomy. Plastic surgeons routinely participate in cadaveric workshops and are involved in the preparation of vascular-labeled cadavers. However, sparse literature is available on dye studies of extracranial head and neck vessels, even with anatomists, and the preparation of these cadavers is a daunting task.

Materials and Methods In this study, we describe a straightforward technique of silicone dye injection for extracranial head and neck vasculature and its application for filler injection training and other plastic surgical procedure demonstrations on cadavers. We used six soft-embalmed cadavers. The common carotid arteries and internal jugular veins were cannulated with infant feeding tubes. The vessels that could lead to dye extravasation into intracranial vessels and upper limbs were ligated. The vasculature was irrigated with water and then injected with color-coded silicone dyes (red: arterial; blue: venous). The solvent-to-catalyst ratios were varied to identify the ideal combination. Injected specimens were dissected 24 hours later to identify the staining quality.

Results A clear demarcation of the extracranial head and neck vasculature in all cadavers was seen. The best solvent-to-catalyst ratio was identified in cadavers with the best staining of both large and small-sized blood vessels (<1 mm) with no dye spillage from arteries to the veins.

Conclusion Silicone dye injection with the described technique can give excellent and predictable results. The technique also uses less quantity of dye, and the intracranial structures are spared, which can be used for other studies; hence, there is more economical utilization of cadavers.

Keywords

silicone dye - vascular labeling - dye study - head and neck - dye injection

Ethical Approval

The study has been cleared by the institute's ethics committee (Reference: IEC-142/05.03.2021)




Publikationsverlauf

Artikel online veröffentlicht:
08. November 2024

© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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