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Modified histologic technique for processing metallic coil-bearing tissue.

Daying Dai1, Yong Hong Ding, Mark A Danielson

  • 1Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA.

AJNR. American Journal of Neuroradiology
|September 13, 2005
PubMed
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Researchers created a new histologic technique for analyzing metallic coil-embedded aneurysm tissues. This method preserves tissue structure and allows for advanced staining, aiding the study of aneurysm healing after coiling.

Area of Science:

  • Histopathology
  • Biomedical Engineering
  • Vascular Surgery

Background:

  • Aneurysm coiling is a common endovascular treatment.
  • Histologic analysis of coil-embedded tissues is challenging due to metallic artifacts.
  • Understanding tissue response to coils is crucial for improving treatment outcomes.

Purpose of the Study:

  • To develop and validate a modified paraffin-embedding histologic technique for metallic coil-bearing aneurysm tissues.
  • To assess the efficacy of the technique in preserving tissue morphology and enabling advanced staining.

Main Methods:

  • A modified paraffin-embedding technique was developed.
  • The technique was applied to process platinum coil-bearing tissues from 30 rabbit and 6 swine aneurysms.
  • Histologic sections were evaluated for tissue distortion and morphology preservation.

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Main Results:

  • The modified technique successfully processed metallic coil-bearing aneurysm tissues.
  • Little to no tissue distortion was observed.
  • Good preservation of morphology and compatibility with advanced staining techniques were achieved.

Conclusions:

  • The developed histologic technique is effective for processing metallic coil-bearing aneurysm tissues.
  • This method facilitates detailed study of the molecular mechanisms involved in aneurysm healing post-coiling.
  • The technique offers significant benefits for research in endovascular aneurysm repair.