Breast cancer
Theragnostic testing – choosing the right therapy in mTNBCCase 1: Eva (46 years old)
Eva is a 46-year-old sales agent who fell during her last summer vacation. Although it was a mild trauma, she broke her thigh bone. An X-ray showed a fracture due to suspected bone metastases. Further diagnostic work-up revealed mTNBC.
Assessment summary
- Premenopausal
- Cancer family history
- Aunt (father’s sister): unilateral breast cancer at the age of 45 years
- Medical history
- 3 years ago: diagnosis early stage TNBC (cT2N0M0, left side)
- Neoadjuvant anthracycline-taxane chemotherapy
- BCS + SLNB (pCR: ypT0 ypN0)
- Radiation therapy
- Present diagnostic work-up including CT scan chest/abdomen and bone scan
- Multiple bone lesions. Biopsy (bone lesion left femur): breast cancer, ER 0%, PgR 0%, HER2 IHC 0, Ki67 40%, G3
- 2 suspicious lesions in left lung
- Genetic panel analysis due to family history: pathogenic variant in BRCA1 gene
- Tumour analysis for PD-L1 status: CPS 3, IC score 0%
- No relevant comorbidities
- ECOG PS: 0