4 Breast Diseases
Anatomy of the Breast
Basic Structure
• Adipose tissue and lactiferous glands lie between superficial and deep layers of superficial thoracic fascia.
Endocrinology
Vessels and Lymphatics
Arterial Supply
Venous Drainage
Lymphatic Drainage
• Main flow is lateral, to axillary nodes.
• Deep flow is along internal thoracic (mammary) vessel pathways to parasternal nodes, draining toward subclavian, supraclavicular, and deep cervical nodes.
Clinical Correlates
Diagnostic Procedures
Benign Disease
Fibrocystic Disease
Other Benign Breast Diseases
Breast Cancer
Carcinoma: Risk Factors
• Risk is 1/9 for white American women; rate for Latin American and black women has been lower but is catching up.
Staging and Treatment
• Treatment has long been based on principles of tumor cell biology, which practically require staging, assessing the anatomical progression of tumors.
• Staging
• Treatment
Simple mastectomy (formerly total)
Radical mastectomy

