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Improved Swiss-rolling Technique for Intestinal Tissue Preparation for Immunohistochemical and Immunofluorescent Analyses
Published on: July 13, 2016
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Fast acetone tissue processing of human organs provides tissue characteristics equal to conventional processing
R García-Garza1, D Salas-Treviño2, F A Soto-Patiño3
1Department of Histology, Faculty of Medicine, Autonomous University of Coahuila , Torreón, Coah, México.
Summary
A new rapid acetone dehydration technique (AT) significantly reduces tissue processing time from 12 hours to 3.3 hours. This method preserves tissue morphology and staining properties, offering a promising alternative for histopathological diagnosis.
Area of Science:
- Histopathology
- Biotechnology
- Medical Diagnostics
Background:
- Conventional histological technique (CT) for tissue processing requires approximately 12 hours.
- Rapid processing is crucial for timely histopathological diagnosis.
Purpose of the Study:
- To evaluate a rapid acetone dehydration technique (AT) as an alternative to conventional histological technique (CT).
- To compare the morphology and staining properties of human organ biopsies processed by AT and CT.
Main Methods:
- Human organ biopsies (adrenal gland, liver, ovary, pancreas, prostate, testis, thyroid) were fixed with 10% formaldehyde.
- Tissues were processed using either the rapid acetone dehydration technique (AT) or conventional histological technique (CT).
- Sections were stained using routine, special, and immunohistochemical methods; morphology and staining were evaluated.
Main Results:
- The rapid acetone dehydration technique (AT) reduced tissue processing time to 3.3 hours.
- AT preserved tissue morphology and staining properties comparable to conventional histological technique (CT).
- Evaluations of nuclear and cytoplasmic staining, intensity, image sharpness, and artifacts showed AT performed as well as CT.
Conclusions:
- The rapid acetone dehydration technique (AT) is a viable and efficient alternative for tissue processing.
- AT meets the requirements for preserving tissue morphology and staining properties for histopathological diagnosis.
- This rapid AT procedure offers a significant time-saving advantage in tissue preparation.
