Nasopharynx Cancers Flashcards
How does the nasal cavity connect to the nasopharynx?
The nasal cavity drains into the nasopharynx via the two posterior nares.
What structures are found on the lateral walls of the nasopharynx?
The two eustachian tubes, which connect to the middle ear.
What lifestyle factors are linked to nasopharyngeal cancer?
Excess use of tobacco and moderate alcohol intake (up to 15 drinks a week) are linked to nasopharyngeal cancer.
What factors predispose individuals to nasopharyngeal cancer?
Factors include Chinese (or Asian) ancestry and Epstein-Barr virus (EBV) exposure.
What are the boundaries of the nasopharynx?
Anterior: nasal cavity; Superior: sphenoid sinus; Inferior: soft palate and mastoid tip; Posterior: 1st and 2nd cervical vertebra.
What is the primary treatment for NPC?
No surgery due to location.
What chemotherapy drug is most commonly used for NPC?
Cisplatin is the chemo drug used most often.
What is the typical radiation dose for NPC treatment?
50-70 Gy QD or BID.