Week 7 Flashcards
What is the minimum age of patient we’ll do a mammography on?
40
What imaging modality are mammograms?
x-ray
When is MRI used in breast cancer?
used in screening of young women with a FHx of breast cancer, or mutations e.g. BRCA1
What are the 3 components of breast tissue?
- Glandular tissue
- Fibrous tissue
- Interlobular fatty tissue
What muscles are below the mammary bed?
Pectoralis major muscle (mainly)
Serratus anterior
External abdominal oblique muscle
Where is the nipple located in nulliparous females?
4th intercostal space
What are the tubercles of montgomery?
The sebaceous glands, specifically during pregnancy because they become enlarged
How does the breast change during the menstrual cycle?
During the luteal phase (after ovulation) the epithelial cells increase in height, the lumina of the ducts becomes enlarged and small amounts of secretions appear in the ducts
How does the proportion of the components of the breast change when pregnant?
There is increased proliferation of secretory tissue (due to more oestrogen and progesterone)
There is a decrease in the amount of connective tissue and adipose tissue
What are the 2 types of milk secretion?
- Apocrine secretion: lipid portion
- Merocrine secretion: protein portion
Which nodes drain most of the lymph from the breast?
axillary lymph nodes
What is the age range of Fibrocystic change?
Majority between 40-50
between 20 and 50
MUST BE PREMENOPAUSAL since likely hormone mediated
How does fibrocystic change present?
Smooth discrete lumps, sudden cyclical pain
How does hamartoma present?
Usually assymptomatic on screening
How does fibroadenoma usually present?
One (solitary) painless, firm, discrete mobile mass
