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Scale de masurare, tipuri de studii, tipuri de esantionare, tabele si tipuri de distributie - Masuratori in anatomia patologica
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Scale de masurare, tipuri de studii, tipuri de esantionare, tabele si tipuri de distributie
Masuratori in anatomia patologica
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Erori frecvente in statistica
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Masuratori in anatomia patologica

  1. Cantitative :
    • Macroscopic : Φ (cm), G (g, kg) a piesei
    • Microscopic : semicantitativ (exprimare in procente), cantitativ (cu micrometrul ocular)
  2. Calitative :
    • Gradarea unor parametri histopatologici
    • Imunohistochimic: (+) in celule rare / izolate, zonal, difuz

 

 

 

Exemple de masuratori calitative si semi-cantitative

C-erbB2 (+)C-erbB2 (++)

 

 

 

 

 

 

 

 

 

 

C-erbB2 (+++)PCNA ~ 75%

 

 

 

 

 

 

 

 

 

 

Negativ = 0

(+) = 1

(++) = 2

(+++) = 3

Rare = 1

Zonal = 2

Difuz = 3  

PCNA (+) ~ 50 – 60% → 55% !

 

 

 
Last Updated on Friday, 02 April 2010 17:38