Breast

Question 1

Introduction

Answer 1

Mod. Sweat gland
Primitive male
Female - puberty

Question 2

Structure

Answer 2

Skin
Paranchyma
Fibrofatty stroma

Question 3

Skin

Answer 3

Nipple
Areola

Question 4

Nipple

Answer 4

10-15 lactiferous ducts
Smooth muscle

Question 5

Areola

Answer 5

Mod. Sebaceous gland
Oily secretion

Question 6

Paranchyma

Answer 6

Glandular part
Alveoli , lactiferous ducts & sinuses

Question 7

Fibrofatty stroma

Answer 7

Fibrous stroma
Fatty stroma

Question 8

Fibrous stroma

Answer 8

Fibrous septa
(Skin to pectoral fascia )
Divides 10-15 lobes

Question 9

Fatty stroma

Answer 9

B/w fibrous septa & glandular part

Question 10

Location

Answer 10

Superficial fascia
Pectoral region

Question 11

Extent

Answer 11

Verti_2-6 rib ( midclavicular line )
Hori_lat. Border of sternum-midaxillary l

Question 12

Relations

Answer 12

Deep-
pectoral fascia
Pectoralis major ( medially)
Serattus anterior ( laterally)
External oblique ( infer-medial )

Question 13

Arterial supply

Answer 13

Internal thoracic a.
Lateral thoracic a.
Superior thoracic a.
Acromio thoracic a.

Question 14

Venous drainage

Answer 14

Deep veins
Venous plexus
Axillary vein,internal mammary vein,intercostal veins

Question 15

Lymphatic drainage

Answer 15

Deep - nipple,areola, paranchyma
Superficial - skin except nip. & areo.

Question 16

Deep lymphatic

Answer 16

Plexus of lymph nodes
75% axillary grp. of lymph nodes
20% parasternal nodes
5% post. Intercostal nodes

Question 17

Superficial lymphatics

Answer 17

Axillary nodes
Supraclavicular nodes
Parasternal nodes
Subdiaphragmatic nodes

Question 18

Applied anatomy

Answer 18

Carcinoma of breast ( breast cancer )

Question 19

Development

Answer 19

Mammary line

Question 20

Congenital anomalies

Answer 20

Polymastia
Amastia ( absence of breast )
Athelia ( absence of nipple )
Polythelia