H&N lymphatics Flashcards
directions of lymph flow
- superior to inferior
- superficial to deep
- anterior to posterior
superficial lymph nodes
1 retroauricular 2 occipital 3 superficial parotid 4 mastoid 5 anterior superficial cervical 6 lateral superficial cervical
retroauricular lymph nodes
- drains posterolateral scalp
* located posterior to auricle
occipital lymph nodes
- drains occipital scalp
superficial parotid lymph nodes
- drains lateral face, scalp, EAM, buccal mucosa
* located on top of fascia covering parotid gland
mastoid lymph nodes
- drains posterolateral scalp and posterior ear
* located on top of mastoid process
anterior superficial cervical lymph nodes
- drains anterior neck
* located anterior SCM
lateral superficial cervical lymph nodes
- drains posterolateral neck
* located posterior-ish SCM
deep parotid nodes are DEEP
- drains EAM, auditory tube, middle ear
* embedded IN or deep to parotid tissue
name the 6 cervical node quadrants
1) submental and submandibular -SF
2) jugulodigastric -deep
3) juxtavisceral -deep
4) jugulo-omohyoid -deep
5) posterior triangle nodes -SF
6) anterior jugular (cervical) nodes -SF
1) submental and submandibular
submental= chin, anterior gingiva, tip of tongue, anterior floor of mouth, medial lower lip and MD INCISORS
submandibular= uppier lip, lateral lower lip,cheeck, teeth, sublingual and submandibular glands… BULK of oral cavity except MD incisors
submental nodes drain into?
submandibular nodes before they drain into jugulodigastric
maybe deep anterior jugular (cervical) nodes
5) posterior triangle nodes
within posterior triangle
*posterior neck
6) anterior jugular (cervical) nodes
skin and muscles of the anterior infrahyoid region
2) jugulodigastric -deep
- *all of head
- junction of jugulars along posterior line of digastric
- upper deep cervical nodes, all oral cavity/pharynx, tonsils, all superior superficial nodes
3) juxtavisceral -deep
- unique to viscera, collects from 2
* esophagus, larynx, trachea, thyroid gland
4) jugulo-omohyoid -deep
head and neck above this level
- most inferior
- no new drainage
what are the internal nodes?
tonsils!
1) pharyngeal tonsil
2) tubal tonsil
3) palatine tonsil
4) lingual tonsil
what is waldeyers lymphatic rings?
simply refers to internal ring of tonsils that are collecting all of the lymph from deep within
what are tonsils?
mounds od lymph tissue that eventually drain into jugular chain of nodes OR directly into retropharengeal or jugular digastirc nodes
outer and inner ring or ‘waldeyer’s lymphatic rings’?
Inner
1) pharyngeal tonsil
2) tubal tonsil
3) palatine tonsil
4) lingual tonsil
Outer
1) retropharyngeal node -deep
2) jugulodigastric node- deep
3) jugular chain of nodes -deep
4) submandibular nodes
5) submental nodes
jugulofacial venous juntion
where common facial and jugular vein meet
the internal jugular and subclavian v meet to form?
the venous angle and brachiocehalic vein
jugulosubclavian venous junction
thoracic duct on left
lymphatic duct on right
***where lymph drainage meets venous angle