Lymph Drainage Of Head And Neck

Question 1

Lymph drainage of head and neck

Answer 1

Superficial lymph nodes:
1. Vertical
2. Circular
Deep lymph nodes:
- 2 vertical groups

Question 2

Superficial lymph nodes

Answer 2

1. Submental
2. Submandibular
3. Buccal
4. Parotid
5. Mastoid
6. Occipital

Question 3

Vertical superficial lymph nodes

Answer 3

Along external and anterior jugular veins

Question 4

Circular superficial lymph nodes

Answer 4

At junction of head and neck forming ring

Question 5

Submental

Answer 5

1. In submental triangle
   Drainage:
2. Lower incisors
3. Gum
4. Tongue tip
5. Mouth floor

Question 6

Submandibular

Answer 6

On submandibular gland inferior surface
Drainage:
1. Most teeth and gum
2. Tongue sides
3. Mouth floor
4. Submandibular gland
5. Sublingual gland
6. Nasal cavity

Question 7

Buccal

Answer 7

On Buccinator and drain cheek

Question 8

Parotid

Answer 8

Superficial and deep
Drainage:
1. Lateral part of scalp and face
2. Middle ear
3. Upper molars

Question 9

Parotid

Answer 9

Superficial and deep
Drainage:
1. Lateral part of scalp and face
2. Middle ear
3. Upper molars

Question 10

Mastoid

Answer 10

On mastoid process
Drainage:
1. Back of scalp and auricle

Question 11

Occipital

Answer 11

On uppermost part trapezius
Drainage:
1. Back scalp and neck

Question 12

Superficial lymph nodes efferent

Answer 12

They all send their lymph to deep cervical nodes

Question 13

Deep cervical lymph nodes at neck side

Answer 13

1. From digastric muscle to neck root along IJV and deep to sternomastoid
2. Divided by omohyoid intermediate tendon in 2 groups:
   - upper deep cervical
   - lower deep cervical

Question 14

Upper deep cervical

Answer 14

1. Contain jugulo-digastric (at point of crossing between IJV and posterior belly digastric)
2. Drain tongue and tonsil

Question 15

Lower deep cervical

Answer 15

1. Contain jugulo-omohyoid (at point of crossing between IJV and inferior belly omohyoid)
2. Drain tongue

Question 16

Deep cervical lymph nodes in median region

Answer 16

1. Retropharyngeal
2. Infrahyoid
3. Prelaryngeal
4. Pretracheal
5. Paratracheal

Question 17

Retropharyngeal

Answer 17

1. Behind pharynx
2. Drain pharynx

Question 18

Infrahyoid

Answer 18

1. In front of thyrohyoid membrane below hyoid
2. Drain larynx

Question 19

Prelaryngeal

Answer 19

1. In front of cricothyroid Membrane
2. Drain larynx and thyroid gland

Question 20

Pretracheal

Answer 20

1. In front of trachea along inferior thyroid veins
2. Drain trachea and thyroid gland

Question 21

Paratracheal

Answer 21

1. On each side trachea along recurrent laryngeal nerve
2. Drain trachea, esophagus, and thyroid gland

Question 22

Deep cervical lymph node

Answer 22

1. Deep to sternomastoid
2. Receive lymph nodes from all head and neck nodes, efferent jugular lymph trunk which joins right lymph duct (on right side) and thoracic duct (on left side)