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Open AccessArticle

Additive Manufacturing of Resected Oral and Oropharyngeal Tissue: A Pilot Study

1
Department of Otorhinolaryngology–Head and Neck Surgery, HUS Helsinki University Hospital, University of Helsinki, P.O.Box 263, FI-00029 HUS Helsinki, Finland
2
Vagelos College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
3
Department of Mechanical Engineering, Aalto University, P.O.Box 14100, FI-00076 Aalto Espoo, Finland
4
Department of Pathology, HUS Helsinki University Hospital, University of Helsinki, P.O. Box 21, Haartmaninkatu 3, FI-00029 HUS Helsinki, Finland
5
Department of Imaging, HUS Helsinki University Hospital, University of Helsinki, FI-00029 HUS Helsinki, Finland
6
Division of Ear, Nose and Throat Diseases, Department of Clinical Sciences, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, SE-17176 Stockholm, Sweden
7
Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, FI-00014 Helsinki, Finland
*
Author to whom correspondence should be addressed.
These authors contributed equally.
Academic Editor: Paul B. Tchounwou
Int. J. Environ. Res. Public Health 2021, 18(3), 911; https://doi.org/10.3390/ijerph18030911
Received: 30 December 2020 / Revised: 16 January 2021 / Accepted: 18 January 2021 / Published: 21 January 2021
(This article belongs to the Special Issue Digital Dentistry for Oral Health)
Better visualization of tumor structure and orientation are needed in the postoperative setting. We aimed to assess the feasibility of a system in which oral and oropharyngeal tumors are resected, photographed, 3D modeled, and printed using additive manufacturing techniques. Three patients diagnosed with oral/oropharyngeal cancer were included. All patients underwent preoperative magnetic resonance imaging followed by resection. In the operating room (OR), the resected tissue block was photographed using a smartphone. Digital photos were imported into Agisoft Photoscan to produce a digital 3D model of the resected tissue. Physical models were then printed using binder jetting techniques. The aforementioned process was applied in pilot cases including carcinomas of the tongue and larynx. The number of photographs taken for each case ranged from 63 to 195. The printing time for the physical models ranged from 2 to 9 h, costs ranging from 25 to 141 EUR (28 to 161 USD). Digital photography may be used to additively manufacture models of resected oral/oropharyngeal tumors in an easy, accessible and efficient fashion. The model may be used in interdisciplinary discussion regarding postoperative care to improve understanding and collaboration, but further investigation in prospective studies is required. View Full-Text
Keywords: additive manufacturing; rapid manufacturing; stereolithography; 3D imaging; head and neck surgery; surgical oncology additive manufacturing; rapid manufacturing; stereolithography; 3D imaging; head and neck surgery; surgical oncology
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MDPI and ACS Style

Irace, A.L.; Koivuholma, A.; Huotilainen, E.; Hagström, J.; Aro, K.; Salmi, M.; Markkola, A.; Sistonen, H.; Atula, T.; Mäkitie, A.A. Additive Manufacturing of Resected Oral and Oropharyngeal Tissue: A Pilot Study. Int. J. Environ. Res. Public Health 2021, 18, 911. https://doi.org/10.3390/ijerph18030911

AMA Style

Irace AL, Koivuholma A, Huotilainen E, Hagström J, Aro K, Salmi M, Markkola A, Sistonen H, Atula T, Mäkitie AA. Additive Manufacturing of Resected Oral and Oropharyngeal Tissue: A Pilot Study. International Journal of Environmental Research and Public Health. 2021; 18(3):911. https://doi.org/10.3390/ijerph18030911

Chicago/Turabian Style

Irace, Alexandria L.; Koivuholma, Anne; Huotilainen, Eero; Hagström, Jaana; Aro, Katri; Salmi, Mika; Markkola, Antti; Sistonen, Heli; Atula, Timo; Mäkitie, Antti A. 2021. "Additive Manufacturing of Resected Oral and Oropharyngeal Tissue: A Pilot Study" Int. J. Environ. Res. Public Health 18, no. 3: 911. https://doi.org/10.3390/ijerph18030911

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