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Hypodermic needle without recipient paraffin block technique.
Pires, Andréa Rodrigues Cordovil; de Souza, Simone Rabello.
Afiliação
  • Pires AR; Fonte Medicina Diagnóstica Ltda. - Universidade Federal Fluminense, Niterói, RJ, Brazil. andreapires@fontemd.com.br
Methods Mol Biol ; 664: 53-61, 2010.
Article em En | MEDLINE | ID: mdl-20690052
This technique allows building TMA blocks with more than 300 tissue cores without using a recipient paraffin block for the tissue cores and without using a commercial TMA builder instrument. It is based on the construction of TMA needles modifying conventional hypodermic needles to punch tissue cores from donor blocks. Tissue cores are punctured from donor blocks and attached by double-sided adhesive tape on a computer-generated paper grid used to align the cores on the block mold, which is filled with liquid paraffin. TMA blocks constructed using this method can be utilized as positive and negative controls for immunohistochemistry, histochemistry and other techniques, interlaboratory quality control and also in research, but never for diagnosis purposes. This technique has the following advantages: it is easy to reproduce, affordable, quick, and creates uniform blocks with more than 300 cores aligned, at the same plane, adherent, and easy to cut, with negligible losses during conventional cutting and technical procedures.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Inclusão em Parafina / Análise Serial de Tecidos / Agulhas Idioma: En Revista: Methods Mol Biol Assunto da revista: BIOLOGIA MOLECULAR Ano de publicação: 2010 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Inclusão em Parafina / Análise Serial de Tecidos / Agulhas Idioma: En Revista: Methods Mol Biol Assunto da revista: BIOLOGIA MOLECULAR Ano de publicação: 2010 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos