Armenian Medical NetworkHealth.am
Health centers
CancerHeart & Blood VesselsBrain & NervesMental HealthDiabetes & HormonesWeight & NutritionWomen's HealthPregnancy & FertilityChildren's HealthSexual HealthMen's HealthInfections, HIV & STIsLungs, Asthma & AllergiesDigestive HealthBones, Joints & PainSkin, Hair & BeautyEyes, Ears & TeethAddictionSleepHealthy AgingPublic HealthMedicines & Treatments

TABLE 90-19

Table 90-19.  AJCC Staging for malignant primary tumors of the maxillary sinuses.
TNM Staging of Primaries of the Maxillary Sinus
TX
Tumor cannot be assessed
T0
No evidence of primary tumor
Tis
Carcinoma in situ
T1
Tumor limited to antral mucosa with no erosion or destruction of bone
T2
Tumor causing bone erosion or destruction, except for the posterior antral wall, including extension into the hard palate and/or the middle nasal meatus.
T3
Tumor invades any of the following: bone of the posterior wall of the maxillary sinus, subcutaneous tissues, skin of cheek, floor or medial wall of orbit, infratemporal fossa, pterygoid plates, ethmoid sinuses.
T4
Tumor invades orbital contents beyond the floor or medial wall including any of the following: the orbital apex, cribiform plate, base of skull, nasopharynx, sphenoid, frontal sinuses.