Ch 9 - Nasopharynx Flashcards
Tx
Primary tumor cannot be assessed
T0
No tumor identified, but EBV-positive cervical node(s) involvement
T1
Tumor confined to nasopharynx, or extension to orophayrnx, and/or nasal cavity without parapharyngeal involvement
T2
Tumor with extension to parapharyngeal space, and/or adjacent soft tissue involvement (medial pterygoid, lateral pterygoid, prevertebral muscles)
T3
Tumor with infiltration of bony structures at skull base, cervical vertebra, pterygoid structures, and/or paranasal sinuses
T4
Tumor with intracranial extension, involvement of cranial nerves, hypopharynx, orbit, parotid gland, and/or extensive soft tissue infiltration beyond the lateral surface of the lateral pterygoid muscle
Nx
Regional lymph nodes cannot be assessed
N0
No regional lymph node metastasis
N1
Unilateral metastasis in cervical lymph node(s) and/or unilateral or bilateral metastasis in retrophayngeal lymph node(s), 6cm or smaller in greatest dimension, above the caudal border of cricoid cartilage
N2
Bilateral metastasis in cervical lymph node(s), 6cm or smaller in greatest dimension, above the caudal border of cricoid cartilage
N3
Unilateral or bilateral metastasis in cervical lymph node(s), larger than 6cm in greatest dimension, and/or extension below the caudal border of cricoid cartilage
What stage is TisN0M0
Stage 0
What stage is T1N0M0?
Stage I
What stage is T0N1M0?
Stage II
What stage is T1N1M0?
Stage II
