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Article

Anatomically Accurate, High-Resolution Modeling of the Human Index Finger Using In Vivo Magnetic Resonance Imaging

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Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana, Slovenia
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Jozef Stefan Institute, 1000 Ljubljana, Slovenia
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University Clinic of Respiratory and Allergic Diseases Golnik, 4204 Golnik, Slovenia
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Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
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High Field MR Center, Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, 1090 Vienna, Austria
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Institute of Mathematics, Physics, and Mechanics, 1000 Ljubljana, Slovenia
*
Author to whom correspondence should be addressed.
Academic Editor: Iacopo Carbone
Tomography 2022, 8(5), 2347-2359; https://doi.org/10.3390/tomography8050196
Received: 19 July 2022 / Revised: 30 August 2022 / Accepted: 16 September 2022 / Published: 21 September 2022
Anatomically accurate models of a human finger can be useful in simulating various disorders. In order to have potential clinical value, such models need to include a large number of tissue types, identified by an experienced professional, and should be versatile enough to be readily tailored to specific pathologies. Magnetic resonance images were acquired at ultrahigh magnetic field (7 T) with a radio-frequency coil specially designed for finger imaging. Segmentation was carried out under the supervision of an experienced radiologist to accurately capture various tissue types (TTs). The final segmented model of the human index finger had a spatial resolution of 0.2 mm and included 6,809,600 voxels. In total, 15 TTs were identified: subcutis, Pacinian corpuscle, nerve, vein, artery, tendon, collateral ligament, volar plate, pulley A4, bone, cartilage, synovial cavity, joint capsule, epidermis and dermis. The model was applied to the conditions of arthritic joint, ruptured tendon and variations in the geometry of a finger. High-resolution magnetic resonance images along with careful segmentation proved useful in the construction of an anatomically accurate model of the human index finger. An example illustrating the utility of the model in biomedical applications is shown. As the model includes a number of tissue types, it may present a solid foundation for future simulations of various musculoskeletal disease processes in human joints. View Full-Text
Keywords: segmentation; high-resolution MRI; simulation segmentation; high-resolution MRI; simulation
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MDPI and ACS Style

Rogelj, L.; Dolenec, R.; Tomšič, M.V.; Laistler, E.; Simončič, U.; Milanič, M.; Hren, R. Anatomically Accurate, High-Resolution Modeling of the Human Index Finger Using In Vivo Magnetic Resonance Imaging. Tomography 2022, 8, 2347-2359. https://doi.org/10.3390/tomography8050196

AMA Style

Rogelj L, Dolenec R, Tomšič MV, Laistler E, Simončič U, Milanič M, Hren R. Anatomically Accurate, High-Resolution Modeling of the Human Index Finger Using In Vivo Magnetic Resonance Imaging. Tomography. 2022; 8(5):2347-2359. https://doi.org/10.3390/tomography8050196

Chicago/Turabian Style

Rogelj, Luka, Rok Dolenec, Martina Vivoda Tomšič, Elmar Laistler, Urban Simončič, Matija Milanič, and Rok Hren. 2022. "Anatomically Accurate, High-Resolution Modeling of the Human Index Finger Using In Vivo Magnetic Resonance Imaging" Tomography 8, no. 5: 2347-2359. https://doi.org/10.3390/tomography8050196

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