Prototyping and 3D Printing of Computed Tomography Images with an Emphasis on Soft Tissues, Especially Muscles, for Teaching Human Anatomy

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Citações na Scopus
0
Tipo de produção
article
Data de publicação
2023
DOI
Scopus
Web of Science
Título da Revista
ISSN da Revista
Título do Volume
Editora
SOC CHILENA ANATOMIA
Autores
DONATO, Mariane Cristina
SILVA, Mauricio Oliveira da
SOUSA, Severino Denicio Goncalves de
SIMAO, Thelma Renata Parada
KIETZER, Katia Simone
LIBERTI, Edson Aparecido
FRANK, Patrick William
Citação
INTERNATIONAL JOURNAL OF MORPHOLOGY, v.41, n.1, p.73-78, 2023
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
The study on cadavers, although considered fundamental in the teaching of human anatomy, is limited in several universities, mainly due to the acquisition and manipulation of cadaveric material. Throughout history, several artificial anatomical models have been used to complement the real anatomical pieces. The present study offers a new alternative: the making of three-dimensional models from Computed Tomography (3D-CT) patient image acquisition. CT images from the USP University Hospital database were used. Patients underwent examinations for reasons other than the present study and were anonymized to maintain confidentiality. The CT slices obtained in thin cross-sections (approximately 1.0 mm thick) were converted into three-dimensional images by a technique named Volume Rendering for visualization of soft tissue and bone. The reconstructions were then converted to an STL (Standard Triangle Language) model and printed through two printers (LONGER LK4 Pro (R) and Sethi S3 (R)), using PLA and ABS filaments. The 3D impressions of the thigh and leg muscles obtained better visual quality, being able to readily identify the local musculature. The images of the face, heart, and head bones, although easily identifiable, although seemed to present lower quality aesthetic results. This pilot study may be one of the first to perform 3D impressions of images from CT to visualize the musculature in Brazil and may become an additional tool for teaching.
Palavras-chave
3D printing, Computed tomography, Anatomy, Teaching
URI
https://observatorio.fm.usp.br/handle/OPI/58298
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Coleções
Artigos e Materiais de Revistas Científicas - HU