TMA for all: a new method for the construction of tissue microarrays without recipient paraffin block using custom-built needles
2006

A New Method for Building Tissue Microarrays

Sample size: 200 publication Evidence: moderate

Author Information

Author(s): Andréa Rodrigues Cordovil, Felipe da Matta, Simone Rabello de Souza

Primary Institution: Fonte Medicina Diagnóstica Ltda. and Fluminense Federal University

Hypothesis

This study aims to produce TMA blocks without the disadvantages of conventional methods.

Conclusion

The new technique for constructing TMA blocks is easy to reproduce, affordable, quick, and produces uniform blocks with minimal losses.

Supporting Evidence

  • The new method allows for the construction of TMA blocks with over 300 tissue cores.
  • More than 200 TMA blocks were successfully constructed using this technique.
  • The technique minimizes core losses during cutting and immunohistochemistry procedures.

Takeaway

Scientists found a new way to make tissue samples that are easier and cheaper to create, helping doctors study diseases better.

Methodology

The study describes a technique using modified hypodermic needles to punch tissue cores from donor blocks and assemble them into TMA blocks without a recipient block.

Limitations

The method may require some initial training to produce quality needles.

Digital Object Identifier (DOI)

10.1186/1746-1596-1-14

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication