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Table 4 Prospective evaluation of the EGFR status of exons 19 and 21

From: Pyrosequencing, a method approved to detect the two major EGFR mutations for anti EGFR therapy in NSCLC

% of tumoral tumoral samples (n = 206) EGFR mutations (n = 18)  
cells number % exon 19 exon 21 %
<20% 36 17.5 0 1 2.8
from 20 to 50% 98 47.6 3 6 9.2
>50% 72 35 5 3 11.1
  1. Samples may contain at least 20% of tumor cells to allow a correct detection of mutations
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Journal of Experimental & Clinical Cancer Research

ISSN: 1756-9966

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