Invasive Lobular Breast Cancer
摘要
• Diffuse growth pattern, loss of cellular adhesion • Single file patterns of cells • Not E-cadherin • 15% of breast cancers • Not always palpable mass • High false negative rate with mammograms and ultrasounds • ALH (atypical lobular hyperplasia) gives you 4–5× risk of breast cancer • LCIS (lobular carcinoma in situ) 8–10× risk of developing breast cancer • Luminal usually (estrogen and progesterone positive)