II. Technique: Tissue Sampling
- Fine Needle Aspiration (FNA)
- Core Needle Biopsy
- Biopsy with Needle Guidance (Image-Guided Biopsy)
- Biopsy of Palpable Mass
- Incisional Biopsy (Surgical Biopsy)
- Sentinel Lymph Node Biopsy
III. Types: Breast Cancer
- Ductal Carcinoma Type (Most common)
- Ductal Carcinoma In Situ (DCIS)
- Basement membrane intact
- Invasive Ductal Carcinoma
- Broken through wall of duct
- Ductal Carcinoma In Situ (DCIS)
- Lobular Carcinoma
- Lobular Carcinoma In Situ (LCIS)
- Not considered a cancer and biopsied lesion will not progress
- High risk for future Breast Cancer
- Lobular neoplasia
- Lobular Carcinoma In Situ (LCIS)
IV. Types: Biomarkers
- Estrogen Receptors
- Progesterone Receptors
- ERBB2 Gene (previously HER2)
V. Grading: Breast Cancer
- Grade 1: Well Differentiated
- Grade 2: Moderately Differentiated
- Grade 3: Poorly Differentiated
