Breast cancer
Brain metastases in patients with HER2+ breast cancer

Rebecca (59 years old)

Rebecca is a 59-year-old scientist and was diagnosed with HER2+ metastatic breast cancer 6 years ago.

  • No relevant comorbidities
  • Prior systemic treatments:
    • Paclitaxel + trastuzumab + pertuzumab
    • T-DM1
    • Trastuzumab + capecitabine
    • Trastuzumab + lapatinib
  • Prior local treatment (brain):
    • 5 times SRS at different time points
    • WBRT 1 year after the last SRS
  • ECOG PS: 1
  • PET-scan after 6 months of trastuzumab + lapatinib: partial response of the metastatic visceral disease (liver and lung), but a new brain metastasis
  • New local treatment of brain metastasis not feasible based on previous radiation treatments

Which of the following treatment options would you choose for this patient?