Abstract
Introduction
We describe a novel post mortem technique that makes it possible to visualise the nerve structure of the brachial plexus using imaging.
Materials and methods
We dissected in situ the brachial plexus of a cadaver preserved by formaldehyde. A preparation composed of a mixture of baryte powder, water and colorant, was applied to all sides of the brachial plexus and blood vessels of the region under study. A high resolution CT scan was performed. With the aid of Mimics (Materialise) software, segmentation of all the nerve and vascular structures on each of the 650 slices obtained was performed. The Mimics software then compiled all the slices to generate a 3-dimensional STL image.
Results
The image obtained was printed with a stereolythography printer, to produce a plastic model representing part of the cervico-thoracic spinal cord, the ribs, sternum, scapula, humerus, and clavicle, with the left brachial plexus and the subclavian, axillary and brachial veins and arteries.
Conclusions
This technique has the potential for a wide range of uses: for teaching anatomy, to improve teaching of medical techniques, 3-dimensional modelisation of other nerve structures. The advantage is that the model obtained is a faithful and realistic reproduction.
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Acknowledgments
This study was supported solely by the research fund of the Anesthesia Department, Geneva University Hospital.
Conflict of interest statement
None of the authors have any conflicts of interest in connection with this work.
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Benkhadra, M., Savoldelli, G., Fournier, R. et al. A new anatomical technique to investigate nerves by imagery. Surg Radiol Anat 31, 221–224 (2009). https://doi.org/10.1007/s00276-008-0420-8
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DOI: https://doi.org/10.1007/s00276-008-0420-8