Ct Scanning
Ct Scanning - Related Videos
05:27
FDG Based PET/CT Scan: A Method of Using Radiotracer for Non-invasive Imaging of Tumor Metabolism
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2023
This article describes multimodality imaging of cancerous tissues with PET and CT diagnostic imaging by using a radiotracer 18F-FDG. Cancerous tissue with high glycolytic activity uptakes more 18F-FDG.
10:42
In Depth Analyses of LEDs by a Combination of X-ray Computed Tomography (CT) and Light Microscopy (LM) Correlated with Scanning Electron Microscopy (SEM)
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Cited by 2 •
2016
A workflow for comprehensive micro-characterization of active optical devices is outlined. It contains structural as well as functional investigations by means of CT, LM and SEM. The method is demonstrated for a white LED which can be still be operated during characterization.
06:23
Leveraging Micro-CT Scanning to Analyze Parasitic Plant-Host Interactions
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Cited by 6 •
2022
Micro-CT is a non-destructive tool that can analyze plant structures in three dimensions. The present protocol describes the sample preparation to leverage micro-CT to analyze parasitic plant structure and function. Different species are used to highlight the advantages of this method when coupled with specific preparations.
11:18
Micro-CT Imaging of a Mouse Spinal Cord
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2023
Source: Peiman Shahbeigi-Roodposhti and Sina Shahbazmohamadi, Biomedical Engineering Department, University of Connecticut, Storrs, Connecticut It's a little-known fact that the discovery and (inadvertent) use of X-rays garnered the first ever Nobel Prize in Physics. The famous X-ray image of Dr. Röntgen's wife's hand from 1895 that sent shock waves through the scientific community looks like most modern day 2D medical X-ray images. Though it is not the newest technology, X-ray absorption...
09:08
Combined SPECT and CT Imaging to Visualize Cardiac Functionality
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2023
Source: Alycia G. Berman, James A. Schaber, and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana Here we will demonstrate the fundamentals of single-photon emission computed tomography/computed tomography (SPECT/CT) imaging using mice. The technique involves injecting a radionuclide into a mouse, imaging the animal after it is distributed throughout the body, and then reconstructing the produced images to create a volumetric dataset. This can...
FAQs
Different biological structures attenuate, or reduce, X-ray transmission by different amounts. The scanner records these differences from multiple viewing angles, and computer processing uses the measurements to reconstruct slice images. This variation allows internal boundaries and structural features to become distinguishable, supporting analysis of anatomy that cannot be assessed reliably from an external view alone.
Measurements from multiple angles provide complementary views of the same internal structures. Combining these views helps the reconstruction distinguish where structures lie within each slice rather than relying on a single projection. The resulting cross-sectional information can then be assembled into a three-dimensional representation, making spatial relationships and internal morphology easier to examine.
Each reconstructed slice represents a cross-sectional view at a particular position through the specimen or body. Examining slices sequentially reveals how structures change across depth, while combining them produces a three-dimensional image. This organization supports biological measurements of form, including the location and spatial relationships of bones, organs, tissues, or preserved structures.
CT scanning can reveal internal morphology without dissection, preserving the specimen for continued study. This is especially valuable for preserved biological material, where cutting could destroy relationships among structures or prevent later examination. Non-destructive imaging allows researchers to investigate anatomy while retaining the original specimen and its broader three-dimensional organization.
The specimen or body is exposed to X-rays from multiple angles, and the system measures how much the radiation is attenuated along those paths. Computer processing mathematically reconstructs the measurements into cross-sectional slices. Those slices may then be combined into a three-dimensional image for examining internal anatomy and morphology.
In biology, CT scanning supports anatomical research, developmental studies, and non-destructive analysis of preserved specimens. It can show internal bones, organs, and tissues while retaining their spatial relationships. The resulting images help researchers examine morphology, compare structural organization, and investigate how biological form relates to function.
CT scanning provides access to internal structure that is not visible from the exterior. Cross-sectional and three-dimensional images can reveal the arrangement of bones, organs, tissues, or preserved anatomical features. In biological studies, this information supports detailed morphological assessment and helps connect observed structure with possible functional organization.