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Related Experiment Videos

Imaging skeletal pathology in mutant mice by microcomputed tomography.

Alice F Ford-Hutchinson1, David M L Cooper, Benedikt Hallgrímsson

  • 1Joint Injury and Arthritis Research Group, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada.

The Journal of Rheumatology
|January 14, 2004
PubMed
Summary

Micro computed tomography (micro CT) effectively images skeletal abnormalities in rodent models. This technique visualizes calcifications in progressive ankylosis mutants, aiding in monitoring disease progression.

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Area of Science:

  • Biomedical Imaging
  • Skeletal Biology
  • Rodent Models

Background:

  • Skeletal abnormalities in rodent models present diagnostic challenges.
  • The progressive ankylosis (ank) mutant exhibits widespread calcifications, serving as a model for study.

Purpose of the Study:

  • To demonstrate the utility of micro computed tomography (micro CT) for imaging skeletal abnormalities.
  • To illustrate the application of micro CT in characterizing the progressive ankylosis mutant mouse model.

Main Methods:

  • Micro CT scanning of forelimbs, hindlimbs, and tail vertebrae from ank/ank mice.
  • Utilized a SkyScan 1072 micro CT instrument at 15 micrometer resolution.
  • Image generation and analysis performed using Analyze 4.0 software.

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Main Results:

  • Micro CT successfully visualized 3D images of abnormal calcifications in ank/ank mice.
  • Calcifications were identified on joint surfaces, periosteal surfaces, sesamoid bones, menisci, and joint capsules.
  • The technique revealed detailed periarticular ligamentous structural changes.

Conclusions:

  • Micro CT is a powerful tool for identifying skeletal abnormalities in rodent models.
  • This imaging modality aids in monitoring the progression of developmental or acquired skeletal conditions.
  • The progressive ankylosis mutant serves as an effective example for demonstrating micro CT's capabilities.