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Individualized three-dimensional printed model for skull base tumor surgery
J Korean Skull Base Soc 2022;17(2):61-67
Published online September 30, 2022
© 2022 Korean Skull Base Society.

Seongsu Kim, Min Ho Lee, Tae-Kyu Lee

Department of Neurosurgery, The Catholic University of Korea, Uijeongbu St. Mary’s Hospital, Seoul, Korea
Correspondence to: Min Ho Lee
주소 : Department of Neurosurgery, The Catholic University of Korea, Uijeongbu St. Mary’s Hospital, 271 Cheonbo-ro, Uijeongbu 11765, Korea
Tel : +82-31-820-3799
Fax : +82-31-820-5378
E-mail : minho919.lee@catholic.ac.kr
Received March 23, 2022; Revised April 11, 2022; Accepted May 13, 2022.
Abstract
Background : Individualized three-dimensional (3D) printed skull base tumor model for each patient was printed to discuss a surgical plan with the surgeon and assistant before surgery. This article would demonstrate 3D printer use in skull base tumor surgery.
Materials and Methods : Between January 2019 and August 2021, an individualized 3D-printed model was produced for preoperative planning for skull base tumor cases. The radiologic image files were obtained from each patient. The skull and other structures were extracted from images and segmented via the commercialized program. The generated objects were exported to a 3D image file and implemented as a 3D model. Each segmented object was printed with a 3D printer.
Results : Seven cases were enrolled in the study, and there were four male patients and three female patients. The median age was 61 years (range, 36-67 years). Four cases were skull-base meningiomas, one case was a schwannoma, one case was a giant pituitary adenoma, and one case was a cerebellar metastatic tumor. Two patients underwent total gross resection, four patients underwent near-total resection, and one case was resected sub-totally. There was no significant postoperative morbidities.
Conclusions : Individualized 3D-printed models are beneficial in pre-planning for resection of the skull base tumor. Although there are time-consuming and limitation of economic budget, it is expected that more detailed models can be provided at a lower with an advanced technology in near future. This approach provides conceptual understanding of thorough knowledge around the anatomical complex.
Keywords : Printing, Three-dimensional, Simulation training, Skull base neoplasms


October 2023, 18 (2)
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