Lymphatic drainage of head and neck Flashcards

1
Q

all the lymph from the region of the head and neck drains into what

A

deep cervical lymph nodes

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2
Q

efferents from the deep cervical lymph nodes form what

A

jugular trunk

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3
Q

on the right side the jugular trunk drains into what

A

the right lymphatic duct

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4
Q

on the left side the jugular trunk drains into what

A

thoracic duct

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5
Q

out of the 400-450n lymph nodes in the human body how many are located in the head and neck region

A

60-70 nodes

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6
Q

lymph nodes in the head and neck region can be grouped into what

A

superficial nodes

deep nodes

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7
Q

whats the lymphatic drainage of the superficial tissues of the head and neck

A

lymph can go from superficial tissues to regional lymph nodes then deep cervical nodes

or

lymph goes from superficial tissues to deep cervical nodes

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8
Q

where do superficial lymph nodes lie

A

above investing layer of the deep cervical fascia

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9
Q

superficial lymph nodes consist of a few small nodes lying superficial to what

A

external jugular and internal jugular veins

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10
Q

superficial lymph nodes include

A

1.submental nodes
2. submandibular nodes
3. buccal nodes
4. parotid nodes
-5. mastoid (postauricular/ retroauricular) nodes
6. occipital nodes
7. superficial cervical nodes

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11
Q

where are the submental nodes located

A

submental triangle

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12
Q

how many are the submental nodes

A

3/4

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13
Q

where are the submental nodes located

A

on mylohyoid muscles between the anterior bellies of both digastric muscles

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14
Q

submental nodes get afferents from what

A

tip of tongue

floor of mouth

lower gums opposite the incisor teeth

central part of lower lip

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15
Q

submental nodes efferents drain into what

A

submandibular nodes

jugulo-omohyoid nodes

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16
Q

where are the submandibular nodes located

A

in digastric triangle beneath the deep cervical fascia in contact with the submandibular salivary gland

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17
Q

how many submandibular nodes are there

A

3

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18
Q

the submandibular nodes get afferents from what

A
  1. center of forehead
  2. medial angle of eye
  3. side of nose
  4. cheek and angle of mouth
  5. whole of upper lip
  6. lateral part of lower lip
  7. anterior 2/3 of tongue
  8. upper gums
  9. lower gums
  10. frontal, maxillary and most ethmoidal sinuses
  11. submental lymph nodes
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19
Q

submandibular nodes efferents drain into what

A

jugulo-omohyoid

partly jugulo-digastric nodes

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20
Q

where do the buccal nodes lie

A

buccinator muscle

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21
Q

buccal nodes get afferents from what

A

part of the cheek

lower eyelid

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22
Q

buccal nodes efferents drain into what

A

upper deep cervical nodes

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23
Q

where are the parotid nodes lie

A

superficial and deep to the fascial capsule of the parotid glad and within its substance

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24
Q

parotid gland is divided into what 2 groups

A

superficial group

deep group

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25
Q

the superficial group of the parotid nodes receive afferents from what

A

upper part of forehead

temporal region

upper part of lateral surface of auricle

anterior wall of external acoustic meatus

eyelids

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26
Q

the deep group of the parotid nodes receives afferents from what

A

nasopharynx

posterior part of nose

tympanic cavity

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27
Q

parotid nodes efferents drain into what

A

upper deep cervical nodes

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28
Q

where are the mastoid nodes located

A

superficial to the sternocleidomastoid near its attachment to the mastoid process

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29
Q

the mastoid nodes get afferents from what

A

upper part of cranial surface of auricle

adjoining portion of scalp

posterior wall of external acoustic meatus

30
Q

mastoid node efferents drain into what

A

upper deep cervical nodes

31
Q

facial lymph nodes are comprised of what 3 groups

A

infraorbital/ maxillary

buccinator

supra-mandibular

32
Q

afferent vessels of the facial lymph nodes drain what

A

eyelids

the conjunctiva

skin and mucous membrane of the nose and cheek

33
Q

facial lymph nodes efferents drain into what

A

submaxillary glands

34
Q

where are the occipital nodes located

A

apex of posterior triangle superficial to the trapezius

35
Q

occipital nodes get afferents from where

A

posterior part of scalp

36
Q

occipital nodes efferents drain into what

A

supra-clavicular nodes

37
Q

where are the superficial cervical nodes located

A

superficial to upper part of the sternocleidomastoid by the side of the external jugular vein

38
Q

the superficial cervical nodes get afferents from what

A

floor of external acoustic meatus

lobule of the ear

angle of jaw

lower part of parotid region

39
Q

superficial cervical nodes efferents drain into what

A

lower deep cervical nodes

40
Q

where are anterior cervical nodes located

A

arranged along the anterior jugular vein

41
Q

anterior cervical nodes get afferents from what

A

anterior triangle of neck below the hyoid bone

42
Q

anterior cervical nodes efferents drain into what

A

lower deep cervical nodes

43
Q

whats the lymphatic drainage of the deeper tissues of the head and neck

A

lymph goes from deeper tissues of head and neck to regional lymph nodes then to deep cervical lymph nodes

or

lymph goes from deeper tissues of head and neck to deep cervical lymph nodes

44
Q

what are the 3 deep lymph nodes

A

deep cervical nodes

Waldeyer’s ring

nodes of midline

45
Q

what do the deep cervical lymph nodes surround and where do they extend to

A

surround the internal jugular vein

they extend from base of the skull to the root of neck

46
Q

what divides the deep cervical lymph nodes into 2 groups

A

intermediate tendon of omohyoid

47
Q

what are the 2 groups of the deep cervical lymph nodes

A

upper deep cervical nodes

lower deep cervical nodes

48
Q

where do the upper deep cervical nodes lie

A

they lie along the upper part of the internal jugular vein deep to the SCM

49
Q

where do the lower deep cervical nodes lie

A

along the lower part of the internal jugular vein deep to the SCM

50
Q

whats a member of the upper deep cervical lymph nodes

A

jugulo-digastric nodes

51
Q

where are the jugulo-digastric nodes located

A

below the posterior belly of the digastric muscle

52
Q

jugulo-digastric nodes get afferents from where

A

palatine tonsils

posterior 1/3 of tongue

53
Q

jugulo-digastric nodes , efferents drain into what

A

lower deep cervical nodes

54
Q

what nodes are the principle nodes of palatine tonsils

A

jugulo-digastric nodes

55
Q

whats a member of the lower deep cervical lymph nodes nodes

A

jugulo-omohyoid nodes

virchows nodes

56
Q

where do the jugulo-omohyoid nodes lie

A

on internal jugular vein just above the intermediate tendon of omohyoid

57
Q

jugulo-omohyoid nodes get afferents from where

A

tongue

submental nodes

submandibular nodes

upper deep cervical nodes

58
Q

jugulo-omohyoid nodes efferents drain into what

A

lower deep cervical nodes

59
Q

what nodes are principal nodes of the tongue

A

jugulo-omohyoid nodes

60
Q

where are Virchow’s nodes located

A

left supraclavicular nodes / left scalene nodes

61
Q

when are Virchow’s nodes enlarged

A

in malignancy of the stomach

62
Q

what are the nodes of midline

A

infrahyoid

prelaryngeal

pretracheal

paratracheal

63
Q

lymph nodes can be classified as what

A

peripheral

terminal

64
Q

how are peripheral lymph nodes arranged

A

in outer and inner circles

65
Q

what does the outer circle of the peripheral lymph nodes form

A

a pericervical / cervical collar at the junction of head and neck

66
Q

the outer circle extends from where

A

chin to occiput

67
Q

the outer circle includes what

A
  1. submental nodes
  2. submandibular nodes
  3. buccal nodes
  4. parotid nodes
  5. mastoid nodes
  6. occipital nodes
68
Q

what does the inner circle of the peripheral lymph nodes surround

A

the upper part of the respiratory and alimentary passages

69
Q

what does the inner circle include

A
  1. prelaryngeal
  2. pretracheal nodes
  3. paratracheal nodes
  4. retropharyngeal nodes
70
Q

where are prelaryngeal nodes located

A

in front of conus elasticus

71
Q

where are pretracheal nodes located

A

in front of trachea and above the isthmus of the thyroid gland