Breast

Question 1

Which branches of the internal thoracic artery supplies the breast

Answer 1

Anterior intercostal branches and the medial mammary branches

Question 2

Which branches of the axillary artery supplies the breast

Answer 2

lateral thoracic and thoracodorsal artery

Question 3

Which veins drain the breast

Answer 3

Axillary vein and the internal thoracic vein

Question 4

Obstruction in lymphatic system causes what two signs

Answer 4

Edema and fibrosis of suspenseful ligaments

Question 5

75% and most of the lateral quadrant of the breast travel to which lymph nodes

Answer 5

Axillary nodes which then travel around the clavicle to the ipsilaterally lymphatic duct

Question 6

Deep pectoral nodes join what system for drainage

Answer 6

Bronchimediastinal drainage in mediastinum

Question 7

Medial portions of the breast drain via which lymph nodes

Answer 7

Parasternal nodes to contralateral breast

Question 8

Abdominal nodes drain which section of the breast

Answer 8

Inferior segment of the breast

Question 9

Innervation of the breast

Answer 9

Anterior and lateral cutaneous branches of 4-6 intercostal nerves

Question 10

Most common type of breast cancer

Answer 10

Invasive ductal carcinoma arising from lactiferous ducts

Question 11

Carcinoma can metastasize through which lymphatic channel

Answer 11

Axillary, supraclavicular, contralateral breast, abdomen nodes

Question 12

How can carcinoma of the breast spread to the cranium, vertebrae, and brain

Answer 12

Azygos system and vertebral venous plexus

Question 13

What 2 symptoms together suggest carcinoma invasion of pectoralis fascia and retromammary space

Answer 13

Elevation of breast and contraction of pectoralis major

Question 14

What 3 major arteries supply the breast

Answer 14

Internal thoracic artery, axillary artery, 2-4 posterior intercostal artery