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Molecular Imaging and Biology

, Volume 20, Issue 5, pp 732–741 | Cite as

X-ray-Based 3D Virtual Histology—Adding the Next Dimension to Histological Analysis

  • J. Albers
  • S. Pacilé
  • M. A. Markus
  • M. Wiart
  • G. Vande Velde
  • G. Tromba
  • C. Dullin
Review Article

Abstract

Histology and immunohistochemistry of thin tissue sections have been the standard diagnostic procedure in many diseases for decades. This method is highly specific for particular tissue regions or cells, but mechanical sectioning of the specimens is required, which destroys the sample in the process and can lead to non-uniform tissue deformations. In addition, regions of interest cannot be located beforehand and the analysis is intrinsically two-dimensional. Micro X-ray computed tomography (μCT) on the other hand can provide 3D images at high resolution and allows for quantification of tissue structures, as well as the localization of small regions of interest. These advantages advocate the use of μCT for virtual histology tool with or without subsequent classical histology. This review summarizes the most recent examples of virtual histology and provides currently known possibilities of improving contrast and resolution of μCT. Following a background in μCT imaging, ex vivo staining procedures for contrast enhancement are presented as well as label-free virtual histology approaches and the technologies, which could rapidly advance it, such as phase-contrast CT. Novel approaches such as zoom tomography and nanoparticulate contrast agents will also be considered. The current evidence suggests that virtual histology may present a valuable addition to the workflow of histological analysis, potentially reducing the workload in pathology, refining tissue classification, and supporting the detection of small malignancies.

Key words

μCT X-ray imaging Histology Synchrotron Phase contrast Soft-tissue staining 

Notes

Acknowledgements

This work was supported by the members of the X-ray Imaging Study Group within the European Society for Molecular Imaging.

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

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Copyright information

© World Molecular Imaging Society 2018

Authors and Affiliations

  1. 1.Institute for Diagnostic and Interventional RadiologyUniversity Medical Center GöttingenGöttingenGermany
  2. 2.Department of Engineering and ArchitectureUniversity of TriesteTriesteItaly
  3. 3.Elettra Sincrotrone TriesteTriesteItaly
  4. 4.Translational Molecular ImagingMax-Planck-Institute for Experimental MedicineGöttingenGermany
  5. 5.Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1BronFrance
  6. 6.Department of Imaging and Pathology, Faculty of MedicineKU Leuven—University of LeuvenLeuvenBelgium

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