A combination method for preparing casting and transparent liver specimen

Zheng, Nan; Gong, Jianbin; Yu, Sheng-Bo; Zhang, Jianfei; Tang, Wei; Zhang, Chenghong; Bai, Jian; Liu, Jie; Sui, Hong-Jin; Shi, Bingyi

doi:10.1002/ca.20969

Cited by 4 publications

(1 citation statement)

References 4 publications

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“…Anatomical corrosion casts are intuitive teaching aids that are benefit for anatomical teaching, research, and clinical applications [10][11][12][13]. They allow for a clear representation of the distribution and anastomoses of different hollow, branching structures within different organs [14][15][16][17], benefiting medical students, clinicians, and researchers by providing a comprehensive understanding of complex anatomical relationships [18][19][20]. However, their use is limited due to ethical dilemmas associated with their production, lack of perfect reproducibility, and consumption of original specimens in the process of casting [17].…”

Section: Introductionmentioning

confidence: 99%

Do 3D Printing Models Improve Anatomical Teaching About Hepatic Segments to Medical Students? A Randomized Controlled Study

et al. 2016

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Section: Introductionmentioning

confidence: 99%

Do 3D Printing Models Improve Anatomical Teaching About Hepatic Segments to Medical Students? A Randomized Controlled Study

et al. 2016

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Maximizing modern distribution of complex anatomical spatial information: 3D reconstruction and rapid prototype production of anatomical corrosion casts of human specimens

Nie

et al. 2012

Anatomical Sciences Ed

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Anatomical corrosion casts of human specimens are useful teaching aids. However, their use is limited due to ethical dilemmas associated with their production, their lack of perfect reproducibility, and their consumption of original specimens in the process of casting. In this study, new approaches with modern distribution of complex anatomical spatial information were explored to overcome these limitations through the digitalization of anatomical casts of human specimens through three-dimensional (3D) reconstruction, rapid prototype production, and Web-based 3D atlas construction. The corrosion cast of a lung, along with its associated arteries, veins, trachea, and bronchial tree was CT-scanned, and the data was then processed by Mimics software. Data from the lung casts were then reconstructed into 3D models using a hybrid method, utilizing both "image threshold" and "region growing." The fine structures of the bronchial tree, arterial, and venous network of the lung were clearly displayed and demonstrated their distinct relationships. The multiple divisions of bronchi and bronchopulmonary segments were identified. The 3D models were then uploaded into a rapid prototype 3D printer to physically duplicate the cast. The physically duplicated model of the lung was rescanned by CT and reconstructed to detect its production accuracy. Gross observation and accuracy detection were used to evaluate the duplication and few differences were found. Finally, Virtual Reality Modeling Language (VRML) was used to edit the 3D casting models to construct a Web-based 3D atlas accessible through Internet Explorer with 3D display and annotation functions.

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Morphological features of complex congenital cardiovascular anomalies in fetuses: as evaluated by cast models

Wang

Luan

Han

et al. 2017

J. Huazhong Univ. Sci. Technol. [Med. Sci.]

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Accurate prenatal diagnosis of complex congenital cardiovascular anomalies, vascular ones in particular, is still challenging. A fetal cardiovascular cast model can provide a copy of the cardiac chambers and great vessels with normal or pathological structures. This study was aimed to demonstrate three-dimensional anatomy of complex congenital cardiovascular anomalies in fetuses by means of corrosion casting. Twenty fetuses with prenatal-ultrasound-diagnosed complex cardiovascular anomalies were enrolled in this study (19 to 35 gestational weeks). Fetal cardiovascular cast models were made by a corrosion casting technique. The specimens were injected with casting material via the umbilical vein, and then immersed in strong acid after casting fluid was solidified, to disclose the geometries of cardiovascular cavities. Nineteen cast models were successfully made from 20 specimens. The casts distinctly showed the morphological malformations and spatial relationship between cardiac chambers and great vessels. One hundred and eleven abnormalities were revealed by casting in the 19 specimens, including 34 abnormalities located in the cardiac chambers (3, 4 and 27 anomalies in the atria, atrioventricular valves and ventricles, respectively), and 77 in the great vessels (28, 20, 24 and 5 anomalies in the aorta and its branches, the pulmonary artery, the ductus arteriosus and the major veins, respectively). Corrosion casting can display three-dimensional anatomy of fetal complex cardiovascular anomalies. This improves our understanding of related pathomorphology and prenatal diagnosis.

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A combination method for preparing casting and transparent liver specimen

Cited by 4 publications

References 4 publications

Do 3D Printing Models Improve Anatomical Teaching About Hepatic Segments to Medical Students? A Randomized Controlled Study

Do 3D Printing Models Improve Anatomical Teaching About Hepatic Segments to Medical Students? A Randomized Controlled Study

Maximizing modern distribution of complex anatomical spatial information: 3D reconstruction and rapid prototype production of anatomical corrosion casts of human specimens

Morphological features of complex congenital cardiovascular anomalies in fetuses: as evaluated by cast models

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