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Early experiences of planning stereotactic radiosurgery using 3D printed models of eyes with uveal melanomas

Authors Furdová A, Sramka M, Thurzo A, Furdová A

Received 1 October 2016

Accepted for publication 17 November 2016

Published 31 January 2017 Volume 2017:11 Pages 267—271


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser

Video abstract presented by Furdová et al

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Alena Furdová,1 Miron Sramka,2 Andrej Thurzo,3 Adriana Furdová3

1Department of Ophthalmology, Faculty of Medicine, Comenius University, 2Department of Stereotactic Radiosurgery, St Elisabeth Cancer Inst and St Elisabeth University College of Health and Social Work, 3Department of Simulation and Virtual Medical Education, Faculty of Medicine, Comenius University, Bratislava, Slovak Republic

Objective: The objective of this study was to determine the use of 3D printed model of an eye with intraocular tumor for linear accelerator-based stereotactic radiosurgery.
Methods: The software for segmentation (3D Slicer) created virtual 3D model of eye globe with tumorous mass based on tissue density from computed tomography and magnetic resonance imaging data. A virtual model was then processed in the slicing software (Simplify3D®) and printed on 3D printer using fused deposition modeling technology. The material that was used for printing was polylactic acid.
Results: In 2015, stereotactic planning scheme was optimized with the help of 3D printed model of the patient’s eye with intraocular tumor. In the period 2001–2015, a group of 150 patients with uveal melanoma (139 choroidal melanoma and 11 ciliary body melanoma) were treated. The median tumor volume was 0.5 cm3 (0.2–1.6 cm3). The radiation dose was 35.0 Gy by 99% of dose volume histogram.
Conclusion: The 3D printed model of eye with tumor was helpful in planning the process to achieve the optimal scheme for irradiation which requires high accuracy of defining the targeted tumor mass and critical structures.

Keywords: 3D printing, uveal melanoma, stereotactic radiosurgery, linear accelerator, intraocular tumor, stereotactic planning scheme

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