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      Cinematic rendering for three-dimensional reconstructions of the chest wall: a new reality

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      1 , 2
      Einstein
      Instituto Israelita de Ensino e Pesquisa Albert Einstein
      Tomography, x-ray computed, Image processing, computer-assisted, Image processing, computer-assisted

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          ABSTRACT

          Computed tomography with multiple detectors and the advancement of processors improved rendered images and three-dimensional reconstructions in clinical practice. Traditional axial slices form non-intuitive images because they are seen in only one plane. The three-dimensional reconstructions can show structures details and diseases with complex anatomy in different perspectives. Cinematic rendering is a newly three-dimensional reconstruction technique, already approved for clinical use, which can produce realistic images from traditional computed tomography data. The algorithm used is based on light trajectory methods and the global lighting model, which simulate thousands of images from all possible directions. Thus, the technique shapes the physical propagation of light and generates a realistic three-dimensional image with depth, shadows and more anatomic details. It is a multidimensional rendering acquired through complex lighting effects. The aim of this article was to show the advance of three-dimensional technology with the cinematic rendering in images exams of the thoracic wall.

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          Most cited references9

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          The Role of 3D Printing in Medical Applications: A State of the Art

          Three-dimensional (3D) printing refers to a number of manufacturing technologies that generate a physical model from digital information. Medical 3D printing was once an ambitious pipe dream. However, time and investment made it real. Nowadays, the 3D printing technology represents a big opportunity to help pharmaceutical and medical companies to create more specific drugs, enabling a rapid production of medical implants, and changing the way that doctors and surgeons plan procedures. Patient-specific 3D-printed anatomical models are becoming increasingly useful tools in today's practice of precision medicine and for personalized treatments. In the future, 3D-printed implantable organs will probably be available, reducing the waiting lists and increasing the number of lives saved. Additive manufacturing for healthcare is still very much a work in progress, but it is already applied in many different ways in medical field that, already reeling under immense pressure with regards to optimal performance and reduced costs, will stand to gain unprecedented benefits from this good-as-gold technology. The goal of this analysis is to demonstrate by a deep research of the 3D-printing applications in medical field the usefulness and drawbacks and how powerful technology it is.
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            Use of 3D printed models in medical education: A randomized control trial comparing 3D prints versus cadaveric materials for learning external cardiac anatomy.

            Three-dimensional (3D) printing is an emerging technology capable of readily producing accurate anatomical models, however, evidence for the use of 3D prints in medical education remains limited. A study was performed to assess their effectiveness against cadaveric materials for learning external cardiac anatomy. A double blind randomized controlled trial was undertaken on undergraduate medical students without prior formal cardiac anatomy teaching. Following a pre-test examining baseline external cardiac anatomy knowledge, participants were randomly assigned to three groups who underwent self-directed learning sessions using either cadaveric materials, 3D prints, or a combination of cadaveric materials/3D prints (combined materials). Participants were then subjected to a post-test written by a third party. Fifty-two participants completed the trial; 18 using cadaveric materials, 16 using 3D models, and 18 using combined materials. Age and time since completion of high school were equally distributed between groups. Pre-test scores were not significantly different (P = 0.231), however, post-test scores were significantly higher for 3D prints group compared to the cadaveric materials or combined materials groups (mean of 60.83% vs. 44.81% and 44.62%, P = 0.010, adjusted P = 0.012). A significant improvement in test scores was detected for the 3D prints group (P = 0.003) but not for the other two groups. The finding of this pilot study suggests that use of 3D prints do not disadvantage students relative to cadaveric materials; maximally, results suggest that 3D may confer certain benefits to anatomy learning and supports their use and ongoing evaluation as supplements to cadaver-based curriculums. Anat Sci Educ 9: 213-221. © 2015 American Association of Anatomists.
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              3D Anatomy Models and Impact on Learning: A Review of the Quality of the Literature

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                Author and article information

                Journal
                Einstein (Sao Paulo)
                Einstein (Sao Paulo)
                eins
                Einstein
                Instituto Israelita de Ensino e Pesquisa Albert Einstein
                1679-4508
                2317-6385
                31 January 2020
                2020
                : 18
                : eMD5223
                Affiliations
                [1 ] orgnameUniversidade Federal de São Paulo São Paulo SP Brazil originalUniversidade Federal de São Paulo, São Paulo, SP, Brazil.
                [2 ] orgnameCedars-Sinai S. Mark Taper Foundation Imaging Center Los Angeles CA United States originalCedars-Sinai S. Mark Taper Foundation Imaging Center, Los Angeles, CA, United States.
                [1 ] Brasil original Universidade Federal de São Paulo, São Paulo, SP, Brasil.
                [2 ] United States original Cedars-Sinai S. Mark Taper Foundation Imaging Center, Los Angeles, CA, United States.
                Author notes
                Corresponding author: Altair da Silva Costa Jr. Hospital São Paulo – Cirurgia Torácica Rua Botucatu, 720, 2nd floor – Vila Clementino Zip code: 04024-002 – São Paulo, SP, Brazil Phone: (55 11) 3813-5045 E-mail: altair.torax@ 123456gmail.com
                Autor correspondente: Altair da Silva Costa Jr. Hospital São Paulo – Cirurgia Torácica Rua Botucatu, 720, 2 o andar – Vila Clementino CEP: 04024-002 – São Paulo, SP, Brasil Tel.: (11) 3813-5045 E-mail: altair.torax@gmail.com
                Author information
                https://orcid.org/0000-0003-0912-2330
                https://orcid.org/0000-0003-2122-3337
                Article
                00800
                10.31744/einstein_journal/2020MD5223
                6999188
                2f84a592-6753-42b7-b081-71b5fc7812bf

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 13 June 2019
                : 1 October 2019
                Page count
                Figures: 12, Tables: 0, Equations: 0, References: 10
                Categories
                Medical Developments

                tomography, x-ray computed,image processing, computer-assisted,tomografia computadorizada por raios x,processamento de imagem assistida por computador,imagem tridimensional

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