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GI > Oral diseases > Flashcards

Oral diseases Flashcards

1
Q

Define oral ulceration

A
  • discontinuity in the oral mucosa
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2
Q

what care causes of a solitary ulcer?

A
  • may be due to trauma, malignancy, infection or may be premalignant
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3
Q

What are causes of multiple ulcers?

A
  • recurrent apathos ulceration (RAU)

- bechets

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4
Q

What are the oral symptoms of anaemia?

A
  • ANGULAR CHELITIS
  • mucosal pallo
  • oral ulceration
  • glossitis
  • disturbed taste
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5
Q

What is the oral appearance of lupus erythematosus

A
  • ulceration
  • white patches
  • red patches
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6
Q

What may be an oral appearance of ulcerative colitis?

A
  • angular stomatitis

- effects the corners of the mouth

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7
Q

What may it be a sign of if there are white patches in the mouth that can be wiped off?

A
  • pseudomembranous candidiasis

- leukoplakia

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8
Q

Define xerostomia

- What causes it?

A
  • dry mouth
  • drugs
  • radiation therapy
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9
Q

What may be a cause of dental erosion?

A
  • GORD

- Bulimia

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10
Q

What is oral manifestations of HIV?

A
  • Ulcerations
  • Kaposi’s sarcoma
  • HPV lesions
  • Salivary gland swelling
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11
Q

What lines the oral cavity?

A
  • keritaized or non-ketinized stratified squamous epithelium
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12
Q

What is the appearance of leukoplakia?

A
  • white, flat raised patch
  • no clear underlying cause
  • wipes away
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13
Q

What is the most common cancer of the oral cavity?

A
  • squamous cell carcinoma
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14
Q

What is the appearance of erythrokeukoplakia?

A
  • red spots under microscope

- pre-malignant

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15
Q

Explain frictional keratosis?

A
  • repeated physical trauma
  • normal hyperplastic response
  • non-premalignant
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16
Q

What causes squamous cell carcinoma?

A
  • activation of photo-oncogenes, RAS

- Inactivation of tumour supressor genes, p53

17
Q

Where might adenocarcinomas in the oral cavity be found?

A
  • salivary glands
18
Q

Define a malignant tumour?

A
  • invades the basement membrane
19
Q

What are the most common sites of a oral cancer?

A
  • ventral and lateral surfaces of the tongue

- lower lip

20
Q

What are symptoms of oral cancer?

A
  • numbness
  • changes in sensations
  • hoarse voice
  • difficulty swallowing
21
Q

What are some other orofacial manifestations of cancer?

A
  • drooping eye lid or facial palsy
  • fracture of mandiuble
  • double vision
  • blocked/bleeding nose
  • facial swelling
22
Q

4 key questions to ask when suspecting oral cancer?

A
  • how long
  • is it painful
  • do you drink/smoke
  • what colour is the lesion
23
Q

Explain pemphigoid?

A
  • sub epithelial bullae

- may present as an oral ulcer before skin manifistation

24
Q

Explain pemphigus

A
  • intraepithelial bullae

- may present as an oral ulcer before skin manefisation

GI (36 decks)

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