Oral Cavity Cancers Flashcards
1
Q
What are the two portions of the oral cavity?
A
- vestibule, above second molar
- oral cavity proper = bounder by the alveolar arches, communicates posteriorly with the oropharynx by an opening termed the faucial isthmus between the palatoglossal arches
2
Q
What is a T1 oral cancer ?
A
- tumour <2cm
3
Q
What is a T2 oral cancer ?
A
- tumour >2cm
4
Q
What is a T3 oral cancer ?
A
- tumour > 4cm
5
Q
What is a T4 oral cancer ?
A
- a = invades through cortical bone, inf alveolar nerve, floor of mouth, skin of chin or nose(lip)
- b tumour invades masticator space or encases internal carotid artery
6
Q
What are the surgical options for OC cancer?
A
- Primary aim is surgical clearance of 1cm
- Transoral resection
- PDT
- Conventional strategy
- Sentinel lymph node biopsy
- elective neck disection
7
Q
When is RT used in OC cancer?
A
- Primary chemoRT is less common, would be 3 x weekly cisplatin
- Neo-adj chemo would be taxane, cicplatin and 5FUfollowed by chemoRT (in advanced or inoperable cases)
- Primary RT not recommended
- post-op chemoRT in unfavourable disease factors
- If no neck disection, prophylactic neck RT
- Adj RT if +ve or close margins
- Radical will be around 60-70Gy in 35#
8
Q
What are palliative regimens?
A
- Chemo- cisplat and 5FU
- short course RT (RCR has different reommendation)
9
Q
What is the SEND trial?
A
- Selective neck disection in patients in T1-T2 patients and survival
