Radiation Procedures - H&N (Pharynx - Naso, Oro, Hypo) Flashcards
Nasopharynx cancer associated w/? and not associated w/?
EBV, tobacco use
Nasopharynx is located at ?
C1
Oropharynx is at the level of __ to __.
C2, C3
Most cancers of oropharynx occur in ___.
Histology?
Tonsils
SCC
Oropharynx cancers associated w/? (3)
alcohol, smoking, HPV
Oropharynx is positioned posterior to __ and extends from __ (superiorly) to __ (inferiorly).
oral cavity, soft palate, hyoid bone
Laryngopharynx extends from __ to __.
Hyoid bone, esophagus
Superior border of laryngopharynx is __ at level __.
epiglottis, C3
Laryngopharynx is located __ to __.
C3, C6
__ is the most common location for cancer in the laryngopharynx:
Pyriform sinus
Pharynx most common pathology is __.
SCC
Oropharynx anatomy: (4)
base of tongue
tonsils
soft palate
walls of throat
Larygopharynx anatomy: (4)
most common histology:
pyriform sinus, postcricoid area, posterior pharyngeal wall
(posterior to larynx)
SCC
Nasopharynx mets to: (3)
bone, liver, lung
Oropharynx and Laryngopharynx spread:
local nodes and tissues