Related Experiment Videos
The checkerboard tissue block. An improved multitissue control block
1Division of Pathology, City of Hope National Medical Center, Duarte, California.
Insights
This study introduces a novel method for embedding numerous tissue samples into one paraffin block using a checkerboard arrangement for easy identification. This technique enables faster, cheaper screening of histologic reagents and improves quality control in laboratories.
Area of Science:
- Histology
- Pathology
- Biotechnology
Background:
- Standard methods for embedding tissue samples can be time-consuming and require significant resources.
- Efficiently processing multiple tissue samples is crucial for diagnostic accuracy and research.
Purpose of the Study:
- To present an improved method for embedding a large number of tissue samples in a single paraffin block.
- To enhance the identification and tracking of individual tissue samples within the block.
Main Methods:
- Development of a novel embedding technique utilizing a checkerboard arrangement for tissue placement.
- Standard paraffin embedding procedures adapted for the checkerboard configuration.
Main Results:
- Successful embedding of numerous tissue samples into a single, standard-sized paraffin block.
- The checkerboard arrangement allows for straightforward identification of tissue locations in serial sections.
- Demonstrated feasibility for screening histologic reagents and quality control.
Conclusions:
- The described method offers a practical and efficient approach to tissue sample embedding.
- This technique facilitates rapid screening of histologic reagents and enhances laboratory quality control processes.
- The checkerboard arrangement improves sample traceability and identification in histologic sections.
Abstract:
We describe an improved method of embedding a large number of tissue samples in a single, normal-sized paraffin block. Because the tissues are evenly distributed in a checkerboard arrangement, they can be readily identified by their position in the resulting sections. This device permits rapid and inexpensive screening of new histologic reagents, and facilitates intra- and interlaboratory quality control.