Ch 7 - Lip and Oral Cavity Flashcards
Lip and Oral Cavity
TX
Primary tumor cannot be assessed
Lip and Oral Cavity
Tis
Carcinoma in situ
Lip and Oral Cavity
T1
Tumor <=2 cm, DOI <= 5 mm
Lip and Oral Cavity
T2
Tumor <=2cm, DOI >5mm and <=10mm
or
Tumor >2cm but <=4cm and DOI <=10mm
Lip and Oral Cavity
T3
Tumor >4cm
or
Any DOI >10mm
Lip and Oral Cavity
T4
Moderately advanced or very advanced local disease
Lip and Oral Cavity
T4a
Moderately advanced local disease (lip) Tumor invades through cortical bone or involves the inferior alveolar nerve, floor of mouth, or skin of face (i.e., chin or nose) (oral cavity) Tumor invades adjacent structures only (e.g., through cortical bone of the mandible or maxilla, or involves the maxillary sinus or skin of the face) Note: Superficial erosion of bone/tooth socket (alone) by a gingival primary is not sufficient to classify a tumor as T4.
Lip and Oral Cavity
T4b
Very advanced local disease
Tumor invades masticator space, pterygoid plates, or skull base and/or encases the internal carotid artery
Lip and Oral cavity
What stage corresponds with:
T1N0M0?
Stage I
Lip and Oral cavity
What stage corresponds with:
T2N0M0?
Stage II
Lip and Oral cavity
What stage corresponds with:
T3N0M0?
Stage III
Lip and Oral cavity
What stage corresponds with:
T1,2,3 N1M0?
Stage III
Lip and Oral cavity
What stage corresponds with:
T4aN0,1 M0?
Stage IVA
Lip and Oral cavity
What stage corresponds with:
T1,2,3,4a N2M0?
Stage IVA
Lip and Oral cavity
What stage corresponds with:
Any T N3M0?
Stage IVB
