Table 1

Change of Her2/neu status before and after treatment

Change of Her2/neu statusNo. of patients (%)
IHCaNo change8 (22.2)
1+ → 015 (41.7)
2+ → 04 (11.1)
2+ → 1+7 (19.4)
2+ → 3+1 (2.8)
3+ → 2+1 (2.8)
FISHNo change21 (58.3)
Amplification → nonamplification15 (41.7)
  • a IHC, immunohistochemistry; FISH, fluorescence in situ hybridization.