Anatomy

Question 1

What are the 3 levels of the axillary nodes?

Answer 1

Level 1 - lateral to pec minor
Level 2 - underneath pec minor
Level 3 - medial to pec minor

Question 2

What are the major nerves encounter in axillary dissection, what do they innervate, and what is the result if cut?

Answer 2

1) Thoradorsal - Latisumus dorsi (weak arm adduction)
2) Intercostal brachial - Cutaneous branch of 2nd intercostal (loss of sensation to medial arm)
3) Long thoracic - serratus anterior (wing scapula)
4) Medial pectoral nerve - pec major and minor
5) Lateral pectoral nerve - pec minor

Question 3

What is the most common nerve injury?

Answer 3

Intercostal brachial nerve injury

Question 4

What is the blood supply to the breast?

Answer 4

Internal mammary
Intercostal
Thoracoacromial
Lateral thoracic

Question 5

What’s the next step for a patient with BiRADS 4 or 5?

Answer 5

Core needle Biopsy

Question 6

Whats the next step for a patient with BiRADS 1 (normal) or 2 (benign)?

Answer 6

Routine screening

Question 7

Whats the next step for a patient with BiRADS 3?

Answer 7

Screening interval decreased to 6 months