Anatomy: pelvis

Question 1

How can you palpate the ischial spines?

Answer 1

Palpable about a finger breadth into the vagina, at 4 and 8 o’clock

Question 2

Which ligaments form the greater and lesser sciatic foraminae

Answer 2

The sacrospinous and sacrotuberous ligaments

Question 3

What do the sacrospinous and sacrotuberous ligaments do?

Answer 3

They make sure the inferior part of the sacrum is not pushed superiorly (e.g. when jumping or during late pregnancy)

Question 4

Where does the lymph from the breast drain?

Answer 4

Drains into the ipsilateral axillary lymph node and THEN to the SUPRACLAVICULAR nodes

Question 5

Where can lymph from the lower inner breast quadrant drain to?

Answer 5

It can drain to the abdominal nodes

Question 6

Where does lymph from the upper limb drain to and why can this have implications?

Answer 6

Lymph from the upper limb also drains to the axillary lymph node, this means if you remove the axillary node for treatment of some breast cancers then it can result in lymphedema

Question 7

Axillary nodes level I

Answer 7

Inferior and lateral to pectoralis major

Question 8

Axillary nodes level II

Answer 8

Deep to to pectoralis major

Question 9

Axillary nodes level III

Answer 9

Superior and medial to pectoralis major

Question 10

Arterial blood supply to the breast

Answer 10

Axillary and internal thoracic (internal mammary)