what are the areas affected by head and neck cancer?
Oropharyngeal tract, nasal sinuses, nasal cavity, oral cavity, tongue, salivary glands, larynx, pharynx
what is the most common head and neck cancer?
tongue
which head and neck cancers have the best and worse chance of survival?
Best chance of survival – salivary gland
Worst chance of survival - Hypopharyngeal
what is the peak age of onset for head and neck cancer?
70-74 years old
what are some risk factors for head and neck cancer?
smoking and drinking in combination - direct exposure to carcinogens
HPV type 16
betel nut chewing
ionising radiation
asian ancestry
family hx
EBV
leukoplakia/erythroplakia
erosive lichen planus
immunosuppression - HIV, post transplant
describe some features of HPV positive oropharyngeal cancer?
73% of oropharyngeal cancer cases are HPV +ve
larynx and oral also
has better outcomes than non-HPV related cancer
describe some features of paranasal sinus/nasal cavity cancer
describe some features of oral cavity cancer
describe some features of salivary gland cancer?
describe some features of pharynx cancer
describe some features of laryngeal cancer
what are the NICE guidelines on 2ww for head and neck cancer?
what are some red flag symptoms that may also require urgent referral?
what is lichen planus?
Mucocutaneous inflammatory disease of uncertain origin
Can affect skin, mucous membranes, genitalia and nails
Wickham’s striae, erosions present
Tx- Hygeine, topical CCS, oral analgesia/anaesthetic
what are apthous ulcers aka Canker lesions
what is erythroplakia?
what is leucoplakia?
what are some important things to look for on examination of a pt with suspected head and neck cancer?
what are some key investigations to be done for head and neck cancer?
what is the most common histological head and neck cancer?
squamous cell carcinoma
other types - less common =
lymphoma, blastomas, sarcomas, neuroendocrine tumours
what is P16 Immunohistochemical expression?
considered a surrogate marker for HPV infection - overexpression correlates with good prognosis
what imaging is done for head and neck cancer and what is being looked for?
CT-PET
CT Neck with Contrast
MRI Head and Neck
•More accurate round dentition
CT Chest
Common site for mets
how is head and neck cancer staged?
TNM staging
varies between site of cancer
how does head and neck cancer spread?
Local Disease
Lymphatic Spread
Distant Mets
Multiple Primaries