breast

Question 1

blood supply

Answer 1

internal thoracic art .
pectoral of thoracoacromial art.
subscapular of axillary
lateral thoracic of axillary
perforators of intercostal arteries

Question 2

venous drainage

Answer 2

post intercostal and paravertebral ven.plexues (boston ) extent to skull

Question 3

clincally important nerves

Answer 3

1- brachial plexus
2-n to latismus dorsi ( thoracodorasl n.) canot adduct , extend the arm or internal rotation
3- n to serratus anterior ( lomg thoracic nerve ) winging of scapula
4- intercostobrachial (sensory to axilla)

Question 4

lymphtic lymph 1

Answer 4

1- axillary recieve 75%
ant or pectoral : along lateral thoracic vein
post : along supscapular vein
lateral : along axillary vein
rotter nodes : between two pectorals
apical LNs

2- internal mammary 25%
along internal mammay art.

Question 5

lymph nodes level

Answer 5

1 inf pectorals minor
2 behind or post
3 above or superior to it

Question 6

poland syndrome

Answer 6

sporadic congenital anomaly
abscence of breast and prectolais ms
sometimes latismmus and serratus