Breast Flashcards
Where do most breast lumps occur on the breast?
Upper outer segment
What enzyme is present in breastmilk which is beneficial for the baby?
Lactoferrin which promotes rapid iron absorption
What are 2 features of tumour infiltration of breast?
Skin dimpling
Nipple retraction
Why does skin dimpling and nipple retraction occur in breast cancer?
Infiltration of breast ligaments and ducts by the tumour
What nerve roots innervate the breast?
T4-T6
What does combined oral contraceptive pills increase the risk of?
Breast and cervical cancer
But it’s protectice against ovarian and endometrial cancer
WHich type of cancer has increased risk of spread to contralateral breast?
ILC
What feature is not present in DCIS?
Skin dimpling and peau d’orange because there is no infiltration of breast ligaments
What tumour supressor gene is mutated in breast cancer?
p53
Which type of cancer is most likely to metastasise to bone?
Prostate
What is most likely cause of prolonged neonatal jaundice of newborn?
Breastfeeding
