Breast Physiology + Conditions Flashcards Preview

Y3 Reproductive > Breast Physiology + Conditions > Flashcards

Flashcards in Breast Physiology + Conditions Deck (38)
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1

What is the commonest / 1st line imaging modality used to view the breast?

US

2

What is the functional unit of the breast?

TDLU terminal duct lobular unit

3

What is the TDLU connected to in the non-lactating breast? And what structure is it connected to?

Intralobular collecting duct
Lactiferous duct

4

What structure is between the lactiferous duct and the nipple?

Lactiferous sinus

5

What type of gland is within the breast?

Tubuloacinar glands

6

The breasts are composed of secretory ______. Each breast has ______.

The breasts are composed of secretory LOBULES. Each breast has 15-25.

7

What are attachments of the suspensory ligaments? AKA Cupar's ligaments

Dermis to deep fascia

8

What types of epithelium are in the breast lobule?

Cuboidal + columnar secretory epithelium

9

What cell type surrounds the TDLU?

Contractile myoepithelial cells

10

What type of epithelium is the nipple?

Keratinized stratified squamous

(+ Erectile tissue)

11

Do the TDLU epithelial cells increase in height during the luteal or follicular phase of the menstrual cycle?

Luteal phase

12

During the menstrual cycle luteal phase, there are physiological small secretions in the TDLU. T or F

False

13

What changes happen to the histology of the breast post menopause?

TDLUs degenerate
Ducts remain

14

What histological change happens to the breasts during the 1st trimester of pregnancy?
What hormones are responsible for this?

Small ducts branch and elongate
Glands proliferate
E + P

15

What histological change happens to the breasts during the 3rd trimester of pregnancy?

Increase no.s of rER (contribute protein to breast milk)
Decrease in adipose tissue

16

What Ig is present in breast milk?

Secretory IgA

17

Is the lipid component of breast milk an apocrine or merocrine secretion?

Apocrine

(GOOGLE LATER WHAT THIS MEANS)

18

What age does physiological nipple discharge happen? What colour is it?

Reproductive age
White / yellow

19

Name 4 causes of nipple discharge

Physiological
Cancer
Paget's
Papilloma

20

What is gynaecomastia?

Increased breast tissue growth in males

21

How does the structure of male breasts compare with females?

Only ducts no lobules

22

Disease of what GI organ is a common cause of gynaecomastia?

Liver

23

What pathogens are common in puerperal mastitis?

S. aureus
S. pyogenes

24

How does puerperal mastitis present?

Hot, red, swollen, painful
+-Fever

25

Should women continue breastfeeding if they have puerperal mastitis?

Yes

26

What is the main complication of puerperal mastitis?

Breast abscess

27

What is Ix should be done for a breast abscess?

US + FNA

28

What is the Mx of a breast abscess?

Drain + ABx

29

What is the main risk factor for duct ectasia?

Smoking

30

How does duct ectasia present?

Acute episodic pain
Nipple distortion
Discharge +-blood