Immunohistochemical study

  • CK7 (OV-TL 12/20): Diffusely positive.
  • CK HMW (34βE12):  Diffusely positive.
  • P63 (4A4): Positive, highlighting the major component (squamous cell carcinoma).
  • Estrogen receptor status: Positive in 50% of tumor cells with strong intensity of staining.
  • Progesterone receptor status: Positive in 30% of tumor cells with strong intensity of staining.
  • Her2 Neu (4B5): Equivocal (Score 2+). 
  • Ki-67 (30-9) labelling index: 60% in hot spots.
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