Breast Flashcards
What is the actual name for Herceptin?
Trastuzumab
What is the lifetime incidence of breast cancer?
1 in 8
What percentage of breast cancer is related to hereditary predisposition?
10
What hereditary predispositions to breast cancer exist?
BRCA 1 and 2
Li Fraumeni Syndrome
What is the most common type of breast Ca?
Invasive ductal carcinoma
Where does breast Ca commonly met to?
Bone Lung Pleura Adrenal Brain
What are the risk factors for breast Ca?
Female Increasing age Early menarche Late menopause Late 1st pregnancy Nulliparity HRT Family Hx Hereditary - BRCA1/2 genes
What is the treatment for early breast Ca?
Wide local excision
Sentinel LN biopsy
What factors increase the risk of breast Ca recurrence?
Tumour >1cm
Presence of disease in axillary LNs
ER negative
How do aromatase inhibitors work?
Inhibit aromatase which inhibits peripheral oestrogen production in adipose tissue. This is the main source of oestrogen in post-menopausal women therefore there is significantly less oestrogen to drive tumour growth.
What forms the apex of the axilla?
Lateral border of first rib
Superior border of scapula
Posterior border or clavicle
What forms the lateral and medial borders of the axilla?
Lateral - intertubecular groove of humerus
Medial - serratus anterior and thoracic wall
What forms the anterior and posterior borders of the axilla?
Anterior - pec Major, pec minor and subclavius muscle
Posterior - subscapularis, teres major and latissimus dorsi
List some drugs that can cause gynaecomastia
Anti androgens eg. Finasteride Spironolactone Anti-retrovirals Oestrogen Cimetidine Ketoconazole Amlodipine and verapamil PPIs
Which cancers are most likely to met to the breast?
Lymphoma/leukaemia Melanoma Sarcoma Prostate Lung Gastric Ovarian
How does COCP affect the risk of ovarian cancer?
Decreases the risk