Head And Neck Cancer Flashcards
What is the T1 and T2 and T3 and T4 oral cavity tumour?
Less than 2cm T1 Less than 4cm T2 More than 4 cm T3 Invading adjacent structures T4a still regarded as resectable T4b unresectable surgically
Which is the most important indicator of prognosis in head and neck cancers?
HPV status
A patient has a neck node with scc Unknown primary , which investigation should be done first?
PET CT
Do before EUA and biopsies or get false positives!
Where do pleomorphic adenomas crop up?
Salivary gland
You remove a 4cm pleomorphic adenoma from the parotid with a 2mm margin. What further treatment is needed?
Nothing they are benign with a good prognosis.
Indications for DXT include:
Involved margins for which more auth not possible
Recurrent
Spill at surgery
3 indications for DXT after surgery for a pleomorphic adenoma
- Involved margins for which more surgery is not possible
- Recurrent
- Spill at surgery
Salivary gland tumours in which locations should be considered especially for post op DXT?
Sublingual
Submandibular
Of all the head and neck cancers which is the one with its own staging system.
Nasopharyngeal
A nasopharyngeal tumour extends into the skull base. What’s the T stage?
T3 (it’s got it’s own staging system)
What does a Nasopharyngeal cancer have to have in order to be T4?
Invasion of the cranial nerves
What is N1 disease in nasopharyngeal cancer?
Unilateral nodes
Best treatment for early tumours of the larynx involving anterior commissure?
Radiotherapy
Early tumours can also be treated with-
Laser
Partial laryngectomy
But ant commissure better result for voice with DXT
A patient who has had DXT for a laryngeal cancer 18 months later has new pain and poor speech quality. 2 sets of biopsies don’t show any tumour. What is management?
Total laryngectomy for symptom control and disease salvage
New symptoms suggest he has recurrence even if biopsies are negative
For stage 3 and 4 oropharyngeal cancer what is the maximum age for which patients should get chemo rad (instead of just rad)?
The trial says less than age 72
A patient with stage 3 oropharyngeal cancer has a EGFR of 45. What should you do?
Chemo RT but switch cis to carboplatin
There is not enough data to say switch to cetuximab