Breast Flashcards
Mammary crests/ridges appear in breast when
4th week
Mammary crests/ridges in breast do not disappear in what region
pectoral
Breast location
2nd or 3rd rib to 6th rib
Breast is firmly attached to dermis by
suspensory ligament of cooper
Each breast contains how many lobules
15-20 of glandular tissue
Each breast lobule is drained by
lactiferous duct
Each breast duct has a dilated portion what is this called
Lactiferous Sinus
Nipples contain what type of tissue
Dense Connective with Elastic Fibres
Position of Nipple
4th IC Space
The Axillary tail of breast is a extension of breast tissue into
Supero-lat quadrant
What is polymastia
extra breast
what is polythelia
extra nipple
what is athelia or amastia
absence of nipple or beast
breast blood supply
axillary artery, internal thoracic and some intercostal arteries
nerves of breast
anterior and lat cutaneous 4th-6th IC
75% of breast lymph goes to
Axillary Lymph Nodes
Lymph from medial quadrants of breast goes to
Parasternal lymph Nodes
What is the first draining node in breast cancer
Sentineal Lymph Node
What is used to locate Sentineal node
Radiolabelled Colloid
The connective tissue stroma that surrounds lobules in breast is
Dense and Fibrocartilagenous
Ducts and Acini in breast are lined by
Luminal Epithelial Cells and Myoepithelial Cells
Commonest cause of death in women in 35-55 age group
Breast Cancer
Breast Cancer makes up what percentagae of cancers in women
20%
What percentage of women have a chance of developing breast cancer
1 in 9
