244-245 / 2351
KEY POINTS:
extension to the middle constrictor muscle and
parapharyngeal space
extension to the soft palate
extension to nasopharynx
extension to the amigdalo-glosso sulcus and oral
tongue
pterygoid muscles and mandible infiltration
site of the internal carotid artery
N status
Frequent localization of oropharyngeal SCC (HPV-related)
Symptoms
: odynophagia, dysphagia, otalgia, bleeding, decreased
tongue motility, trismus (invasion of pterygoid muscles)
Positive N
at the diagnosis:
66-76%
(mainly confined to the ipsilateral
jugulodigastric nodes) (cystic mets are typical for HPV-related lesions)
Contralateral N+
: up to 22% involving the posterior pillar and true tonsil,
versus up to 6% with T confined to the anterior pillar
TONSILLAR COMPLEX
OROPHARYNX: SUBSITES
mercoledì 29 giugno 16