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01-06-2016 | Technical Note - Neurosurgery Training

A neurosurgical simulation of skull base tumors using a 3D printed rapid prototyping model containing mesh structures

Authors: Kosuke Kondo, Naoyuki Harada, Hiroyuki Masuda, Nobuo Sugo, Sayaka Terazono, Shinichi Okonogi, Yuki Sakaeyama, Yutaka Fuchinoue, Syunpei Ando, Daisuke Fukushima, Jun Nomoto, Masaaki Nemoto

Published in: Acta Neurochirurgica | Issue 6/2016

Abstract

Background

Deep regions are not visible in three-dimensional (3D) printed rapid prototyping (RP) models prepared from opaque materials, which is not the case with translucent images. The objectives of this study were to develop an RP model in which a skull base tumor was simulated using mesh, and to investigate its usefulness for surgical simulations by evaluating the visibility of its deep regions.

Methods

A 3D printer that employs binder jetting and is mainly used to prepare plaster models was used. RP models containing a solid tumor, no tumor, and a mesh tumor were prepared based on computed tomography, magnetic resonance imaging, and angiographic data for four cases of petroclival tumor. Twelve neurosurgeons graded the three types of RP model into the following four categories: ‘clearly visible,’ ‘visible,’ ‘difficult to see,’ and ‘invisible,’ based on the visibility of the internal carotid artery, basilar artery, and brain stem through a craniotomy performed via the combined transpetrosal approach. In addition, the 3D positional relationships between these structures and the tumor were assessed.

Results

The internal carotid artery, basilar artery, and brain stem and the positional relationships of these structures with the tumor were significantly more visible in the RP models with mesh tumors than in the RP models with solid or no tumors.

Conclusions

The deep regions of PR models containing mesh skull base tumors were easy to visualize. This 3D printing-based method might be applicable to various surgical simulations.

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Title: A neurosurgical simulation of skull base tumors using a 3D printed rapid prototyping model containing mesh structures
Authors: Kosuke Kondo
Naoyuki Harada
Hiroyuki Masuda
Nobuo Sugo
Sayaka Terazono
Shinichi Okonogi
Yuki Sakaeyama
Yutaka Fuchinoue
Syunpei Ando
Daisuke Fukushima
Jun Nomoto
Masaaki Nemoto
Publication date: 01-06-2016
Publisher: Springer Vienna
Published in: Acta Neurochirurgica / Issue 6/2016
Print ISSN: 0001-6268
Electronic ISSN: 0942-0940
DOI: https://doi.org/10.1007/s00701-016-2781-9

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

A neurosurgical simulation of skull base tumors using a 3D printed rapid prototyping model containing mesh structures

Abstract

Background

Methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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