Figure 1.

EGFR/CEP7 co-amplification or Polisomy of chromosome 7?. In case of polysomy, the copy number of 7q31 region increases similarly to centromere signals. EGFR high copy number in the presence of an eusomic status of 7q31 region is indicative of gene amplification.

Casorzo et al. Diagnostic Pathology 2009 4:36   doi:10.1186/1746-1596-4-36
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