Upper Limb 1 Station 2 - Dermatomes and Lymph Drainage

Question 1

What’s a dermatome?

Answer 1

Area of skin supplied by one spinal segment

Question 2

All lymphatic vessels from upper limb drain into…

Answer 2

Axillary nodes

Question 3

How are axillary nodes dived?

Answer 3

Into 5 distinct groups

• Anterior/pectoral group
• Posterior/subscapsular group
• Apical group
• Central group
• Lateral group

Question 4

What group of lymph nodes are involved in the lymphatic spread of infection/cancer begins in the - infection of little finger?

Answer 4

Axillary

Question 5

…boil in the scapular region?

Answer 5

Axillary

Question 6

…Medial part of the breast?

Answer 6

Internal thoracic (internal mammary)

Question 7

…Lateral part of breast?

Answer 7

Axillary

Question 8

…Infection around the umbilicus? Why can is spread this particular way?

Answer 8

Mainly superficial inguinal but sometimes axillary as the umbilicus is the boundary for which lymph can drain up to the axilla or to the superficial inguinal nodes