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The checkerboard tissue block. An improved multitissue control block.

H Battifora¹, P Mehta

¹Division of Pathology, City of Hope National Medical Center, Duarte, California.

Laboratory Investigation; a Journal of Technical Methods and Pathology

|November 1, 1990

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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:

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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.