The Challenges of Using Ki67 as a Tool in Breast Cancer

Torsten O. Nielsen, MD, PhD, FRCPC, a professor of pathology at the University of British Columbia, discusses the difficulties when using Ki67 to measure proliferation in breast cancer.

Clinical Pearls

Torsten O. Nielsen, MD, PhD, FRCPC, a professor of pathology at the University of British Columbia, discusses the difficulties when using Ki67 to measure proliferation in breast cancer.

  • Ki67 index values are difficult to reproduce between pathologists