190-191 / 2351
STAGING
ORAL CAVITY
What about extrinsic tongue
muscles???
T1
T2
T3
T4
Tumor 2cm or less in its greatest dimension
Tumor bigger than 2 cm but less than 4 cm
in its greatest dimension
Tumor bigger than 4 cm in its greatest
dimension
T4a
tumor invades adjacent structures
(eg.
through cortical bone of the mandible,
into deep
extrinsic muscle of the tongue
, maxillary sinus,
skin of face)
T4b
tumor invades masticatory space,
pterygoid plates, or skull base and/or
encases the internal carotid artery
mercoledì 29 giugno 16