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Module 4 > Oral Cancer - SBA > Flashcards

Oral Cancer - SBA Flashcards

1
Q

Common cause of oral cancer?

A

Smoking

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2
Q

What is not true about oral cancer
- Mouth cancer is squamous cell carcinoma
- Mouth cancer is associated with a lot of pain
- Mouth cancer is more common than cervical and testicular cancer
- 6th commonest cancer worldwide
- twice more common in men as women

A

Mouth cancer associated with a lot of pain

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3
Q

Which of the following best described mouth cancer?
- Disease of males in their 30s
- Incidence of mouth cancer continues to increase
- Tends to present early and is easily managed
- 90% 5 year survival
- Public are well educated about this form of cancer

A

The incidence of mouth cancer continues to increase

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4
Q

Which of the following best describes mouth cancer?
- If pt smokes and drinks, factor increases by 24
- Sunlight is a risk factor of cancer of the upper lip
- 10% of cases have no obvious risk factor
- There is no genetic aetiology for mouth cancer
- HPV id now the greatest risk factor for mouth cancer

A

If pt smokes and drinks, factor increases by 24

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5
Q

Why does smoking cause mouth cancer?
- Nicotine inhibits angiogenesis reducing the capacity for cell repair
- Cigarettes contain nitrosamines and acrolein
- The heat from the cigarettes over time caused a thermal insult to the mucosa, weakening it as a barrier
- Oral bacteria can metabolise the chemicals in cigarettes to produce mutagens
- Smoking affects the patient innate immunity making them susceptible to bacteria causing cancer

A

Oral bacteria can metabolise the chemicals in cigarettes to produce mutagens

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6
Q

Which of the following best describes the guidance for alcohol consumption?
- Men can drink 21 units per week
- Only 1 drink free day is required for men
- Men and women should only drink 14 units per week
- Women should drink much less than men
- It is safer to drink beer than spirits

A

Men and women should only drink 14 units per week

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7
Q

Which of the following is the most common infectious cause of mouth cancer?
- HPV 16
- HPV 18
- EBV
- HIV
- CMV

A

HPV 16

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8
Q

What is the commonest oral lesion with a viral aetiology?
- Mouth cancer
- Hairy leukoplakia
- Papilloma
- Condylomata
- Burkits lymphoma

A

Papilloma

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9
Q

Which of the following is true of the HPV vaccination?
- Only girls aged 12 can be vaccinated
- Only teenagers are eligible for the vaccinated
- In Australia the incidence of cervical cancer has reduced significantly since they introduced HPV vaccination
- Only one type of vaccination covering HPV 16
- The protection provided by the vaccine is short lived

A

In Australia the incidence of cervical cancer has reduced significantly since they introduced HPV vaccination

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10
Q

Which of the following best describes Kaposis sacroma?
- It is a rare type of cancer that affects only the oral mucosa
- They present as dark brown nodules in the mouth
- Caused by HHV-8 and HIV
- There is a vaccine available
- Anti-retroviral treatment is not effective at preventing this cancer

A

Caused by HHV-8 and HIV

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11
Q

A homogeneous white patch of the left buccal mucosa measuring 2cm in diameter is found on routine examination of a new pt, Immediately adjacent is amalgam restored molars, pt not aware of white patch. They do not smoke or consume a lot of alcohol, what is the most likely diagnosis?
- Lichen planus
- Oral cancer
- Lichenoid reaction
- Candidiasis
- Frictional keratosis

A

Lichenoid reaction

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12
Q

Pt presents with painful ulcerated white patch affecting buccal mucosa and tongue. 67 female, non-smoker and non-drinker. Lesions have an erozive red/white appearance and involve all buccal mucosa and tongue. She has also noticed itchy scaly rash on inside of her arms and torso, what is most likely diagnosis?
- Lichen planus
- Lichenoid reaction
- Oral cancer
- Frictional keratosis
- Candidiasis

A

Lichen planus

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13
Q

69 male routine assessment, red/white speckled area of anterior FOM, pt not aware. Partially dentate, smoked for 50 years, drinks 5 days per week, usually 3 pints per day - What is the likely diagnosis?

A
  • Lichen planus
  • Lichenoid reaction
  • Oral cancer
  • Potentially malignant lesion
  • Frictional keratosis
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14
Q

Pt comes with a constant painful area, 10 days LHS cheek. Broken filling in that area, has mouth ulcers 5-7 days and usually get better. 1cm ulcer with erythematous perimeter with tender to touch at level of fractured amalgam in UL7 - Likely diagnosis?
- MOA - Minor oral aphthous ulceration
- Lichen planus
- Dilchenoid reaction
- Oral cancer
- Trauma causing ulceration

A

Trauma causing ulceration

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15
Q

47 female, white patch on tongue, soft palate and gingivae. Says its been there for years, doesnt smoke or drink - Likely diagnosis?
- Lichen planus
- Field change
- Lichen reactions
- Oral cancer
- Frictional keratosis

A

Field change - Biological process in which large areas of cells at a tissue surface or within an organ are affected by carcinogenic alterations

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16
Q

Which of the following are considered high risk lesions for oral cancer?
- White patches
- Red patches
- Speckled red and white patches
- Painless ulcers
- All of these answers

A

All of these answers

17
Q

What part of the mouth is considered a high risk site for mouth cancer?
- Tip of tongue
- Hard palate
- Maxillary gingiva
- Lateral tongue and FOM
- Buccal mucosa

A

Lateral tongue and FOM

18
Q

When performing an extra-oral examination which of these features would be concerned about?
- Bilateral lymphadenopathy in a pt who tells you they have a cold
- Tender lymph node on palpation in a pt who has been referred with a dental infection
- Tethering of skin to enlarged neck nodes without any pain on palpation
- Neck feels symmetrical and non-tender to palpate
- Fullness of area in midline just above sternal notch

A

Tethering of skin to enlarged neck nodes without any pain on palpation

19
Q

Which of the following is not a normal finding on intra-oral examination?
- Fordyce spots on buccal mucosa
- Geographic tongue
- Fissured tongue
- Black hairy tongue
- Speckled area on FOM

A

Speckled area on FOM

20
Q

Which of the following is true of screening programme?
- There is a national oral cancer screening programme
- Application of a test to people who are apparently free of disease to identify those who may have the disease
- Most effective for screening for mouth cancer
- Mass screening is how most oral cancer screening lesions

A

Application of a test to people who are apparently free of disease to identify those who may have the disease

21
Q

What is tertiary prevention in oral cancer?
- Preventing oral cancer from developing
- Detecting disease at an early stage
- Mitigating the morbidity from established disease and to improve quality of life
- Using adjuncts to aid with the identification of potentially malignant lesions
- Use of retinoids to prevent further disease

A

Mitigating the morbidity from established disease and to improve quality of life

22
Q

What is a correct statement about the sensitivity of a diagnostic test?
- Proportion of population correctly identified as having the disease
- Proportion of population correctly identified as not having the disease
- Generally approximately 55%
- More important than the specificity
- Many screening tests for mouth cancer with suitable sensitivity and specificity

A

Proportion of population correctly identified as having the disease

23
Q

Clinical features are associated with an increased risk of malignant transformation?
- Lesions less than 2cm
- Homogenous lesions
- Lesions in men
- Lesions in FOM
- Lesions in smokers

A

Lesions in FOM

24
Q

Female pt has 3x5mm small painful ulcer inside lower lip for 5 days, regularly around time of menstruation, last 7 days then disappear, systemically unwell - Diagnosis?
- Herpes labialis
- Oral cancer
- Mino aphthous ulcers
- Kopliks spots
- Cocksackieviral infection - Hand foot and mouth

A

Mino aphthous ulcers

25
Q

74 female presents with female ulcers inside lower lip on folds of mucosa with central ulceration, never takes dentures out

A
  • Treat with antifungal
  • Advise to keep dentures out as much as possible, soak in the solution
  • Trim back dentures in ulcerated area
  • Consider biopsy
  • All of the above

Module 4 (1 decks)

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