Breast Lecture 1-2 Flashcards

1
Q

What are the different factors that contribute to breast size and shape?

A

Genetics
Race
Dietary factors

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2
Q

Which muscles does the breast lie anterior to?

A

Pectoralis major
Serratus anterior

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3
Q

Where does the breast extend to and from?

A

3rd-6th rib
Sternal edge to midaxillary line

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4
Q

What attaches the breast to the dermis and helps to support of lobules of the gland?

A

Suspensory ligament of cooper

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5
Q

What is the pigmented area around the nipple called?

A

Areola

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6
Q

How many lobules of glandular tissue/parenchyma does each breast contain?

A

15-20

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7
Q

What is each breast lobule drained by?

A

Lactiferous duct

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8
Q

What tissue makes up the nipple?

A

Dense connective tissues

->elastic fibres and smooth muscles

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9
Q

Where is the position anatomically of the nipple?

A

Variable but tends to be 4th intercostal space

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10
Q

What is the areola?

A

Skin covering the nipple

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11
Q

Which types of gland does the areola have?

A

Numerous sweat and sebaceous glands

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12
Q

What happens to the size of the areola during pregnancy?

A

Increases in size

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13
Q

What is the function of the oily substance secreted by the sebaceous gland of the areola?

A

Provides protective lubricant for the nipple and the areola

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14
Q

Name the four quadrants the breast is divided into which helps with the description of any pathology.

A

Superolateral
Superomedial
Inferolateral
Inferomedial

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15
Q

Gynaecomastia?

A

Enlargement of breast tissue

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16
Q

Polymastia?

A

An extra breast

17
Q

Polythelia?

A

An extra nipple

18
Q

Athelia/amastia?

A

Absences of nipple or breast

19
Q

Blood supply of the breast?

A

Branches of the axillary, internal thoracic and intercostal arteries

20
Q

Venous drainage of the breast?

A

Internal thoracic vein
Axillary vein

21
Q

Hormones are responsible for the functions of the breast.
Nerves convey sensory innervation to the breast.
Which nerves?

A

Anterior and lateral cutaneous branches of 4-6th intercostal nerves

22
Q

Which lymph nodes does most of the breast tissue drain into?

A

Axillary lymph nodes

->some lymph may drain directly to supraclavicular or inferior cervical nodes

23
Q

What is meant by a sentinel lymph node?

A

First draining node- the first node that receives any tumour pathology

24
Q

Watch Breast Lecture 1 for anatomy revision

A

If this is before December lol

If you’re seeing this after, hope the anatomy exam went well xx

25
Q

Cytology of breast?

A

Microscopic examination of a thin layer of cells

26
Q

How can a sample from the breast be obtained for cytology?

A

Fine needle aspiration
Direct smear from nipple discharge
Scarpe of nipple with scalpal

27
Q

Summarise what would be find in benign breast cytology.

A

Low/moderate cellularity
Cohesive group of cells
Cells of uniform size
Uniform chromatin pattern

28
Q

Summarise what would be find in malignant breast cytology.

A

High cellularity
Crowding/overlapping of cells
Loss of cohesion
Nuclear pleomorphism
Hyperchromasia
Absence of bipolar nuclei

29
Q

Summarise what is meant by C1-5 on the cytology scoring system?

A

C1- Unsatisfactory/ insufficient cells for diagnosis
C2- benign
C3- atypia (probably benign)
C4- suspicious (probably malignant)
C5- malignant

30
Q

What is the treatment of cysts?

A

Aspiration - curative

Fluid can be discarded unless it is bloodstained or there is a residual mass

31
Q

What are some of the complications of fine needle aspiration?

A

Pain
Haematoma
Fainting
Infection
Pneumothorax- rare

32
Q

What is the functions of the lymph ducts of the breast?

A

Drain fluid

33
Q

What is the functions of the lymph nodes of the breast?

A

Filter harmful bacteria and play a key role in fighting off infection

34
Q

List some benign breast conditions.

A

Fibrocystic change- cysts, fibrosis, adenosis etc.
Fibroadenoma
Intraduct papilloma
Fat necrosis]
Duct ectasia

35
Q

Symptom of duct actasia?

A

Nipple discharge

36
Q

What would you expect to find in a fibroadenoma?

A

Circumcised mobile nodule in reproductive age
Non-painful

37
Q
A