Head & Neck Cancers Flashcards
Squamous cell carcinoma accounts for more than _____% of oral malignancies
90%
Signs and Symptoms of Squamous cell carcinoma
- Pain
- Dysphagia/Odynophagia
- Otalgia
- -Masses/lesions
- Unintentional weight loss
Risk Factors for Cancer
- Age
- Race
- Tobacco/Alcohol
- Immune suppression
- Viral
What are four traditional risk factors for oral cavity cancers?
- Cigarette smoking
- Alcohol intake
- Smokeless tobacco
- Betel Quid
How many alcoholic drinks and cigarettes per day increase oral cavity cancer risk?
3 or more drinks
20+ cigarettes
What is the most recent risk factor for Oropharyngeal Cancer
HPV Type 16
HPV is the most common ____ ____ _____
Sexually transmitted infection
What causes 90% of HPV?
Genital warts
How is HPV transmitted
Through sexual and non-sexual person-to-person contact
Describe specific examples of HPV transmission
- Skin/Mucosal Contact
- Salivary transfer
- Autoinoculation
- Breast feeding
- Perinatal transmission
HPV infectious what types of epithelium? What layer?
Cutaneous and mucosal epithelium
Basal cell layer of stratified squamous epithelial cells
How long does it take HPV genital warts to develop?
3 weeks to several months
How long does it take HPV cancer to develop?
Decades
HPV Related Lesions:
Describe Papillary/verruciform mass
HPV-induced proliferation of stratified squamous epithelium
HPV Related Lesions:
Squamous papilloma are due to what types of HPV
6 and 11
HPV Related Lesions:
Squamous Papilloma have an extremely _____ virulence and infectivity rate
Low
HPV Related Lesions:
Verruca Vulgaris is due to what type of HPV
Type 2
HPV Related Lesions:
Verruca Vulgaris is contagious and more common on the _____
Skin
HPV Related lesions:
Verruca Vulgaris usually occurs in what population?
Children
HPV Related Lesions:
Condyloma acuminatum is caused by what types of HPV
6 and 11
HPV Related Lesions:
Condyloma acuminatum represents a common ____
STI
HPV Related Lesions:
Treatments for Squamous Papilloma, Verruca vulgaris and condyloma acuminatum
Conservative surgical excision
Oropharyngeal Cancers:
Accounts for ___% of head and neck cancers
25%
Oropharyngeal Cancers: What areas are most common cancer spots?
Tonsillar and base of tongue