Preoperative tracheal resection and reconstruction simulations with patient-specific three-dimensional models
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CASE REPORT
Preoperative tracheal resection and reconstruction simulations with patient‑specific three‑dimensional models Keitaro Matsumoto1,2 · Daisuke Taniguchi1,2 · Tomoshi Tsuchiya1 · Takuro Miyazaki1 · Go Hatachi1,2 · Ryoichiro Doi1 · Hironosuke Watanabe1 · Ryusuke Machino · Takeshi Nagayasu1,2 Received: 27 April 2020 / Accepted: 16 October 2020 © The Japanese Association for Thoracic Surgery 2020
Abstract Three-dimensional (3D) printers are increasingly being used for a variety of applications. In the surgical field, patient-specific organ models are increasingly being used as preoperative simulators for complicated surgeries. In this study, we describe the use of patient-specific 3D models for tracheal resection. We performed preoperative simulations for two patients diagnosed with tracheal ganglioneuroma and adenoid cystic carcinoma; the mimic operations suggested the necessity of a short cuff intubation tube across the surgical field, indicating the recommended amount of dissection around the trachea and bilateral hilum prior to tracheal reconstruction. The postoperative courses were free from any anastomotic or pulmonary complications. We described the availability of preoperative simulations for complicated tracheal resection and reconstruction using patient-specific 3D printed models. Mimic operations using the 3D printed models allowed accurate preparation and confidence in selection of the optimal surgical strategy. Keywords Tracheal reconstruction · Surgical simulation · Three-dimensional printing model · Mimic operation
Introduction Three-dimensional (3D) printers are increasingly being used for a wide variety of applications. Medical applications of 3D printers are expected to include the creation of artificial organs, customized prosthetics, implants, patient-specific anatomical models, and customized drug delivery systems. Regarding surgery, this technology is ideally suited to the formation of anatomical models for general surgical training. Furthermore, the ability to customize patient-specific models would facilitate the simulation, practice, and preparation of complex procedures, thus significantly increasing their efficacy [1–6]. In this study, we describe the use of patientspecific 3D printed models for the simulation of tracheal
* Keitaro Matsumoto kmatsumo@nagasaki‑u.ac.jp 1
Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1‑7‑1 Sakamoto, Nagasaki 852‑8501, Japan
Medical‑Engineering Hybrid Professional Development Center, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
2
resection and reconstruction prior to the operation in three cases.
Case This study was approved by the Ethics Committee of Nagasaki University Hospital (approval number, 16,042,512) on April 3, 2016. Written informed consent was obtained from the patient for publication of this manuscript and any accompanying images.
Three‑dimensional printing model A 3D digital model of the patient’s trachea, including the tumor, was reconstructed
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