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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Electron Microscope Tomography and Single-particle Reconstruction01:07

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
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Related Experiment Video

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Analysis of Craniomaxillofacial Malformations in Mice Using Three-dimensional Microcomputed Tomography
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Using Computed Tomography (CT) Data to Build 3D Resources for Forensic Craniofacial Identification.

Terrie Simmons-Ehrhardt1, Catyana R S Falsetti2, Anthony B Falsetti3

  • 1Department of Forensic Science, Virginia Commonwealth University, Richmond, VA, USA. tsimmonsehrha@vcu.edu.

Advances in Experimental Medicine and Biology
|May 4, 2021
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Summary

3D CT data offers new interactive resources for forensic facial approximation and craniofacial identification. These digital tools enhance training and standardize methods for forensic art practitioners.

Keywords:
3D modeling3D printingComputed tomographyCraniofacial identificationCraniofacial superimpositionFacial approximation

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Area of Science:

  • Forensic Science
  • Medical Imaging
  • Forensic Art

Background:

  • Forensic craniofacial identification uses facial approximation and superimposition.
  • Traditional training relies on physical models and photographs.
  • 3D CT data is underutilized for creating practitioner resources.

Purpose of the Study:

  • To outline 3D resources from CT data for forensic craniofacial identification.
  • To demonstrate viewing and modifying 3D craniofacial CT data.
  • To promote standardization and improved training in forensic art.

Main Methods:

  • Utilizing computed tomography (CT) data.
  • Employing free, open-source 3D software for visualization.
  • Modifying surface models for 3D printing.

Main Results:

  • 3D CT software allows simultaneous visualization of bone and soft tissue.
  • Interactive 3D models can be created for research and training.
  • Digital 3D formats facilitate 3D printing of custom reference models.

Conclusions:

  • 3D CT data can create interactive resources and reference catalogs.
  • These resources can improve accuracy in facial approximation.
  • Digital 3D models and 3D printing offer novel training modalities for practitioners.