MRI detects cancer not visible on conventional imaging. Breast MRI can change treatment plan in 15-30% of patients. Lesions divided into focus/foci, masses, and non-mass enhancement
Axillary lymph nodes are located in the armpit, containing 20-49 nodes. They drain lymph from breast, chest, abdomen, and upper limb. About 75% of breast lymph drains into these nodes
Calcium phosphate contains calcium ions (Ca2+) with inorganic phosphate anions. White solids found in bone mineral and tooth enamel. Exists in colloidal form in milk bound to casein protein
DCIS is a pre-cancerous breast lesion that remains in place within milk ducts. Most cases (80-85%) are detected through screening mammography. Can be classified by architectural pattern, tumor grade, or comedo histology
Ki-67 is a protein found in actively dividing cancer cells. Higher Ki-67 levels indicate faster cancer cell multiplication. Test uses antibody to detect Ki-67 protein under microscope
Axillary lymph nodes are located in armpits, filtering fluid from breast and armpit areas. Each armpit contains 20-40 lymph nodes that trap pathogens. Lymph nodes are part of lymphatic system filtering toxins and disease-causing organisms