Ch 12 - Nasal Cavity and Paranasal Sinuses Flashcards
(40 cards)
Tx
maxillary sinus
Primary tumor cannot be assessed
Tis
maxillary sinus
Carcinoma in situ
T1
maxillary sinus
Tumor limited to maxillary sinus mucosa with no
erosion or destruction of bone
T2
maxillary sinus
Tumor causing bone erosion or destruction
including extension into the hard palate and/or
middle nasal meatus, except extension to posterior
wall of maxillary sinus and pterygoid plates
T3
maxillary sinus
Tumor invades any of the following: bone of the
posterior wall of maxillary sinus, subcutaneous
tissues, floor or medial wall of orbit, pterygoid
fossa, ethmoid sinuses
T4a
maxillary sinus
Moderately advanced local disease
Tumor invades anterior orbital contents, skin of
cheek, pterygoid plates, infratemporal fossa,
cribriforrn plate, sphenoid or frontal sinuses
T4b
maxillary sinus
Very advanced local disease
Tumor invades any of the following: orbital apex,
dura, brain, middle cranial fossa, cranial nerves
other than maxillary division of trigeminal nerve
(V2), nasopharynx, or clivus
Tx
nasal cavity and ethmoid sinus
Primary tumor cannot be assessed
Tis
nasal cavity and ethmoid sinus
Carcinoma in situ
T1
nasal cavity and ethmoid sinus
Tumor restricted to any one subsite, with or without
bony invasion
T2
nasal cavity and ethmoid sinus
Tumor invading two subsites in a single region or
extending to involve an adjacent region within the
nasoethmoidal complex, with or without bony
invasion
T3
nasal cavity and ethmoid sinus
Tumor extends to invade the medial wall or floor o(
the orbit, maxillary sinus, palate, or cribriforrn plate
T4a
nasal cavity and ethmoid sinus
Moderately advanced local disease
Tumor invades any of the following: anterior orbital
contents, skin of nose or cheek, minimal extension
to anterior cranial fossa, pterygoid plates, sphenoid
or frontal sinuses
T4b
nasal cavity and ethmoid sinus
Very advanced local disease
Tumor invades any of the following: orbital apex,
dura, brain, middle cranial fossa, cranial nerves
other than (V2), nasopharynx, or clivus
cNx
Regional lymph nodes cannot be assessed
cN0
No regional lymph node metastasis
cN1
Metastasis in a single ipsilateral lymph node,
3 crn or smaller in greatest dimension and
ENE(-)
cN2a
Metastasis in a single ipsilateral node larger .
than 3 cm but not larger than 6 cm in greatest
dimension and ENE( - )
cN2b
Metastasis in multiple ipsilateral nodes, none
larger than 6 cm in greatest dimension and
ENE(-)
cN2c
Metastasis in bilateral or contralateral lymph
nodes, none larger than 6 cm in greatest .
dimension and ENE(-)
cN3a
Metastasis in a lymph node larger than 6cm in greatest dimension and ENE(-)
cN3b
Metastasis in any node(s) with clinically overt ENE
pNx
Regional lymph nodes cannot be assessed
pN0
No regional lymph node metastasis
