Skip to main content

Table 2 HER2 status of selected cases.

From: Confirmation of a low HER2 positivity rate of breast carcinomas - limitations of immunohistochemistry and in situ hybridization

  Routine
PNBSs
IHC
Study
PTMA
IHC
Study
PTMA
FISH
Case 1 2+ 2+ A
Case 2 3+ ND NA
Case 3 3+ 0/1+ NA
Case 4 0/1+ 0/1+ A
Case 5 0/1+ 0/1+ E
Case 6 0/1+ ND PS
  1. A amplified; E equivocal; FISH fluorescence in situ hybridization; IHC immunohistochemistry; NA not amplified; ND not done; PNBSs paraffinized needle biopsy specimens; PS polysomy chromosome 17; PTMA paraffin tissue microarray.