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Module 7 > ORAL PATH red patches > Flashcards

ORAL PATH red patches Flashcards

1
Q

what are the 4 classification/ causes of red patches?

A

infective
associated with dermatological disorders
idiopathic
neoplastic

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2
Q

what are the 3 infective sources of red patches?

A

bacterial
fungal
viral

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3
Q

give examples of infective red patches?

A

periodontal disease
median rhomboid glossitis
HIV gingivitis

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4
Q

give examples of red patches that are associated with dermatological disorders?

A

erosive lichen planus
discoid lupus erythematosus

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5
Q

give examples of idiopathic red patches?

A

geographic tongue
erythroplakia

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6
Q

give examples of neoplastic red patches?

A

dysplastic lesions
squamous cell carcinoma

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7
Q

describe median rhomboid glossitis?

A

rhomboid red patch on midline of posterior aspect of anterior 2/3 of dorsal tongue

asymptomatic

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8
Q

what is the aetiology of median rhomboid glossitis?

A

unknown but most cases associated with candida

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9
Q

what other lesion does median rhomboid glossitis often present with?

A

‘kissing lesion’ - reciprocal lesion on the palate

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10
Q

what is the histopathology of median rhomboid glossitis?

A

loss of lingual papillae
parakeratosis and acanthosis of the squamous epithelium
candidal hyphae in parakeratin and associated neutrophils
chronic inflammatory infiltrate in connective tissue

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11
Q

what is the treatment for median rhomboid glossitis?

A

antifungal medication

*papillae dont grow back even after treatment

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12
Q

name 2 OPMD red patches which have a high likelihood of malignant transformation?

A

erythroplakia
erythroleukoplakia

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13
Q

what is erythroplakia defined as?

A

a red patch that cannot be characterised clinically or pathologically as another definable lesion

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14
Q

describe the appearance of erythroplakia?

A

red ‘velvety’ appearance, smooth or nodular

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15
Q

where is erythroplakia commonly seen?

A

palate
FOM
buccal mucosa

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16
Q

what is another term for erythroleukoplakia?

A

speckled leukoplakia

17
Q

what is erythroleukoplakia?

A

leukoplakia and erythroplakia components

18
Q

what is found on biopsy of erythroleukoplakia?

A

greater than 90% will be severe dysplasia or carcinoma

Module 7 (62 decks)

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