Breast

Question 1

Breast extends from what level of the ribs

Answer 1

2nd to 6th ribs

Question 2

The level of the nipple corresponds to what intercostal space

Answer 2

4th

Question 3

The axillary tail of spence is located from ____

Answer 3

Superior and lateral portion

Question 4

How many lobes of the mammary gland are there?

Answer 4

15 to 20 lobes

Question 5

The mammary gland is separated from the underlying muscle via ___ space

Answer 5

retromammary

Question 6

Most breast cancers arise from what quadrant of the breast?

Answer 6

upper outer OR upper lateral

Question 7

Retraction or puckering of the skin is due to the contraction of?

Answer 7

suspensory ligament

Question 8

Nipple inversion is due to ____

Answer 8

infiltration of the lactiferous duct and fibrosis

Question 9

Peau de orange is due to

Answer 9

infiltration of the LN

Question 10

Most commonly damaged nerve after radical mastectomy

Answer 10

Long thoracic nerve

Question 11

[What nerve is damaged?]

difficulty in horizontal extension of the upper extremities

Answer 11

Thoracodorsal = Latissimus dorsi

Question 12

[What nerve is damaged?]

loss of sensation on the upper inner aspect of the arm

Answer 12

intercostal nerve

Question 13

[What nerve is damaged?]

difficulty lifting her child, flapping her arms, arm wrestling

Answer 13

Medial Pectoral Nerve = Pectoralis MAJOR

Question 14

The breast overlies what muscles?

Answer 14

1. Deep layer of superficial fascia
2. Retromammary space
3. Pectoral fascia
4. Pectoralis major

Question 15

The extension of the ribs lie from ___ ribs

Answer 15

From 2nd to 6th rib

Question 16

What allows the movement of the breast

Answer 16

Retromammary space

Question 17

The retromammary space is between the breast and the ___

Answer 17

deep pectoralis fascia

Question 18

The cooper ligament extends from the ___ to the ___

Answer 18

dermis to the pectoral fascia

Question 19

What supports the breast?

Answer 19

cooper ligament

Question 20

What are the blood supply of the breast?

Answer 20

1. Internal thoracic (from subclavian)
2. Lateral thoracic (from axillary)
3. thoracoacromial (from axillary)
4. Posterior intercostal (from thoracic aorta)

Question 21

What are the venous drainage of the breast?

Answer 21

1. Lateral thoracic
2. Thoraco acromial
3. Internal thoracic

Question 22

[Lymphatic Drainage]

The lateral quadrants drain to the

Answer 22

axillary LN

Question 23

[Lymphatic Drainage]

the medial quadrants drain to the

Answer 23

parasternal nodes

Question 24

What innervates the breast?

Answer 24

4th to 6th intercostal nerve

Question 25

[Level of axillary lymphatics]

Posterior and anterior pectoral LN

Answer 25

level 1

Question 26

[Level of axillary lymphatics]

Posterior/Scapular

Answer 26

Level 1

Question 27

[Level of axillary lymphatics]

lateral/humeral

Answer 27

Level 1

Question 28

[Level of axillary lymphatics]

central LN

Answer 28

level 2

Question 29

[Level of axillary lymphatics]

apical LN

Answer 29

level 3

Question 30

[Which axillary lymphatics]

if you press the pectoralis major forward

Answer 30

anterior node

Question 31

[Which axillary lymphatics]

if you press the subscapularis muscle backwards

Answer 31

posterior node

Question 32

[Which axillary lymphatics]

if you press agains the medial side of the axillary vein

Answer 32

lateral node

Question 33

Trace the flow of the LN drainage

Answer 33

1. Anterior, Posterior, Lateral
2. Central
3. Apical
4. Supraclavicular