5: Head and neck cancer Flashcards
What are the big risk factors for head and neck cancers?
Smoking
Alcohol
Viruses (HPV)
Which strains of HPV cause papillomas and carcinomas?
Papillomas - HPV 6 and 11
Carcinomas - HPV 16 and 18
Young people tend to develop head and neck cancers due to ___.
viral infection
HPV - oral sex
What virus is linked to nasopharyngeal carcinoma?
Epstein Barr virus (EBV)
Where do oral cancers tend to arise?
Buccal mucosa
Lateral borders of tongue
What should you do if you find a dodgy lesion on oral examination?
Feel it
How do
a) benign
b) malignant
oral lesions feel?
a) Soft
b) Firm
What would you find on neck examination of someone with ENT cancer?
Enlarged lymph nodes
Thyroid lumps (which move up and down)
What is used to look into the pharynx and larynx?
Endoscope
How are biopsies taken from ENT tumours?
FNA
Apart from endoscopy and biopsies, what other investigations are done for head and neck cancers?
Ultrasound
X-ray
MRI
CT
Are blood tests done for head and neck cancers?
No
not many markers for these cancers
Which scan is used for bony cancers?
Which scan is used for soft tissue cancers?
CT (hard)
MRI (soft)
Why are CXRs commonly done in addition to investigations for head and neck cancers?
Risk factors for ENT / lung cancers are the same
So chances are they have primary / secondary lung cancers as well
How are head and neck cancers managed?
MDT