CT Image Post Processing

CT Image Post Processing

0.25 CE Credits
Expiry date: July 1, 2024

CT image post-processing requires the modification of a 3D image volume, which in most cases consists of a stack of individual axial images.


  • Approved by the ASRT (American Society of Radiologic Technologists) for 0.25 Category A CE Credits
  • Subscription duration: 365 days from purchase date
  • Meets the CE requirements of the following states: California, Texas, Florida, Kentucky, Massachusetts, and New Mexico
  • Meets ARRT® CE reporting requirements
  • Accepted by the NMTCB®
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The application of imaging techniques to the original axial images of a CT scan in order to derive additional information or hide unwanted information that distracts from the clinical findings is called image post-processing. CT image post-processing requires the modification of a 3D image volume, which in most cases consists of a stack of individual axial images. There are many CT post-processing methods and techniques. The most commonly used techniques are maximum intensity projection (MIP), Minimum intensity projection (MinIP), volume rendering (VR), multiplanar reconstruction (MPR) or curved planar reconstruction. We will cover all of these CT image post-processing methods in this article and show examples of many of them through CT images, such as images of nodes within the Barety lodge revealed by a multiplanar reconstruction. This article is approved by the ASRT for 0.25 Category A CE Credits.

Discipline Major content category & subcategories CE Credits provided
CT-2016 Image Production
Physics and Instrumentation 0.25
CT-2017 Image Production
Image Formation 0.25
RA-2017 Procedures
Abdominal Section 0.25
RA-2018 Procedures
Abdominal Section 0.25
CT-2022 Image Production
Image Formation 0.25
RA-2023 Procedures
Abdominal Section 0.25
Section 1: Image Post-Processing in Computed Tomography
  • Rendering mode
  • M.I.P. (maximum intensity projection)
  • Min.I.P. (minimum intensity projection)
  • Average
  • Curved
  • Stenosis measurement
  • Endoprosthesis planning
  • Volume rendering
  • Volumetric reconstruction
  • Endoscopy
  • Image fusion
  • Emphysema measurement
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