SCC Flashcards
What carries a greater risk for oral cancer, cigarettes or cigars?
Cigars
Reverse smoking is associated with cancer where?
In the palate
Nonsmokers with oral cancer are more likely to be male or female?
Female
Plummer-Vinson syndrome causes?
Sideropenic dysphagia
HPV related oral cancer typically occurs in what parts of the mouth? At what age?
tonsils and base of tongue in young people
90% of oral cancers are in those aged?
Over 45
The highest percentage of oral cancers occur at what site? What is the percentage?
Tongue, 50%
Most of the oral cancers on the tongue occur on what part?
Posterior lateral, 2/3 of cases
What type of lesions tends to have a good prognosis?
Exophytic lesions
What lesion has the worst prognosis?
Erosive or ulcerative
What is the appearance of a classic late lesion?
Crater with indurated base and rolled borders
Lip cancer typically follows?
Actinic cheilitis
Cancer on which lip has a good prognosis?
Lower lip, upper lip is poor
What affect can tongue cancer have on function?
Loss of tongue mobility and disturbed speech
Where does tongue cancer metastasize?
Submandibular and subdigastric nodes
Survival rates for tongue cancer are lowest at what site?
Base of tongue
This type of oral cancer has the highest predilection for females and is least associated with smoking
Gingiva or alveolar mucosa
The gingiva are a site of lesions for what type of tobacco?
Smokeless tobacco
Cancers in the soft palate typically occur in what region?
Lateral posterior regions
What is the issue with soft palate cancers that makes survival low?
Tend to be large and metastatic at time of diagnosis
What are two examples of verrucous carcinoma?
Snuff dippers cancer and Ackerman’s tumor
What is the degree of dysplasia in verrucous carcinoma? How quickly does it grow?
Slow growing, little dysplasia
Well-differentiated SCC takes on what pattern of appearance?
Paving stone pattern
The cytoplasm of well-differentiated SCC can be described as?
Eosinophilic
