Indications for Hormone Therapy post treatment of DCIS:
- High risk DCIS (high grade, comedo-necrosis)
- MUST be ER/PR +
- Patient had lumpectomy not Mastectomy
- Not for Pleomorphic LCIS
Pre-menopausal women: Tamoxifen for 5 years
Post-menopausal women: Tamoxifen or an Aromatase Inhibitor for 5 years.
NOTE: Hormone treatment does NOT improve survival but it may decrease local recurrence in the treated breast as well as the other breast.