lymphatics of head Flashcards
Left sided lymph nodes drain into where?
Thoracic duct
Right sided lymph nodes drain into where?
Right lymphatic duct
Preauricular drains which 3 areas
Lateral scalp, face and ear
Postauricular drains which 2 areas
scalp and ear
Occipital drains where?
Scalp
Submental drains where? (4)
Chin
Tip of tongue
Central part of lower lip
Lower incisors
Submandibular drains where? (4)
Forehead
Face
Anterior 2/3rds tongue
Upper and lower teeth
What drains to deep cervical nodes?
Posterior 3rd of tongue
Deep cervical nodes are located where?
Along carotid sheath and internal jugular vein
How does drainage from anterior 2/3rd of tongue vary depending on location of lesion in this area?
A central lesion will drain bilaterally to both submandibular lesions
A peripheral lesion will drain to submandibular gland on that side only (unilateral)
landmarks for levels of neck
hyoid bone and cricoid cartilage
Neck regions above hyoid
Ia
Ib
II
Va
Neck regions between hyoid and cricoid
III
IV
Vb
Neck regions below cricoid
IV and VII