Lymph of Head/Neck Flashcards
Lymph from oral cavity and nasopharynx likes to…
Cross the midline -> oral cancer metastasize to lymph nodes bilaterally
Deep cervical nodes are…
Situated along internal jugular vein
Superior deep cervical are near…
Posterior belly of digastric muscles
Inferior deep cervical are near…
Omohyoid
Level I lymph
Submental and submandibular triangles, includes submental and sublingual nodes
Where does level I receive lymph?
Lips, face, oral cavity, anterior nasal cavity, submandibular gland
Where does level I drain?
Levels II + III
What is lymphadenopathy in level I associated with?
Disease of the oral cavity (tongue, lips), anterior nasal cavity, face (melanoma), lymphomas and leukemia
Level II lymph
Boundaries are base of the skull, posterior border of the SCM and level of the hyoid bone (~upper 1/3 of SCM); includes the superior deep cervical nodes (JD nodes)
Where does level II lymph receive lymph from?
Auricle, nasal cavity, oral cavity (palatine tonsil – tonsillitis!),
pharynx, larynx, parotid (nodes + gland), suboccipital nodes, retropharyngeal nodes and level I
Where does level II lymph drain?
Levels III - V
What is lymphadenopathy in level II indicate?
Disease of auricle, oral/nasal cavity, pharynx, larynx, thyroid gland, parotid gland
What is level III lymph?
Boundaries are level of the hyoid bone to inferior border of the cricoid cartilage and posterior border of the SCM (~middle 1/3 of SCM); includes nodes along the middle 1/3 of the internal jugular vein
What does level III receive lymph from?
Oral cavity, levels I + II
Where does lymph from level III drain to?
Level IV