Application of Non-destructive Inspection of Endangered Animals using Soft X-ray Radiography, Computed Tomography and Magnetic Resonance Imaging: Case Study of a Northern Smooth-tailed Tree Shrew (<i>Dendrogale murina</i>)

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  • YAMADA Kazutaka
    Departments of Clinical Veterinary Science
  • YAMADA Junzo
    Basic Veterinary Science, Obihiro University of Agriculture and Veterinary Medicine
  • SASAKI Motoki
    Basic Veterinary Science, Obihiro University of Agriculture and Veterinary Medicine
  • ENDO Hideki
    Department of Zoology, National Science Museum
  • KIMURA Junpei
    Department of Veterinary Anatomy, College of Bioresorce Science, Nihon University
  • RERKAMNUAYCHOKE Worawut
    Department of Veterinary Anatomy, Kasetsert University
  • UENO Hiroshi
    Departments of Clinical Veterinary Science
  • WISNER Eril R
    Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California

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  • 稀少動物に対する軟エックス線像,(omputed tomography およびmagnetic resonance imagingを用いた非破壊検査の応用:キタホソオツパイ

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Abstract

This research demonstrates the application of diagnostic imaging techniques using soft X-ray radiography, computed tomography (CT) and magnetic resonance imaging (MRI) for non-destructive inspection of the northern smooth-tailed tree shrew (Dendrogale marina) . A non-invasive morphological observation is possible in each method. Soft X-ray radiography reveals the excellent skeletal system, but the soft tissue structures are projected with superimposition of morphological structures. However, 3-dimensional renderings of CT images can be manipulated toprovide images of the skin surface and skeletal system from any view, though spatial resolution was limited. Although MRI provides sectional morphological images in any plane, magnetic susceptibility artifacts from metallic foreign bodies were seen. Findings from this study suggest that medical imaging techniques can be successfully used for nondestructive interrogation of endangered animals. Yet it is important to remember that the selection of the imaging modality depends on its purpose.

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