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ENT > Pathology > Flashcards

Pathology Flashcards

1
Q

What links the auditory meatus and the external canal?

A

Epidermis

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2
Q

What is in the middle ear?

A

Columnar lined mucosa

Ossicles - malleus, incus and stapes

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3
Q

What is in the inner ear?

A

cochlea and vestibular apparatus

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4
Q

What cell type makes up the nasal vestibule?

A

Squamous

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5
Q

What cell type makes up the nose, and sinus

A

Schneiderian epithelium

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6
Q

What does respiratory mucosa contain?

A

Pseudostratified ciliated columnar

Seromucinous glands

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7
Q

What cell types make up the throat?

A

Respiratory and squamous epithelium

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8
Q

Describe the salivery gland?

A

Exocrine gland
Acinar component and ductular component
Serous cells

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9
Q

Describe serous cells?

A

Dark staining

Contain digestive enzymes including amylase

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10
Q

What colour does the mucinous component stain?

A

Clear grey

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11
Q

Describe peripheral myoepithelial cells

A

Flat or cuboidal with clear cytoplasm

Some have contractile properties

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12
Q

What is ottis media?

A

Inflammation of the middle ear

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13
Q

what pathogens can cause ottis media?

A

Strep pneumoniae
H influenzae
Moxarella catarrhalis
Pseudomonas aeruginosa

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14
Q

What is cholesteatoma?

A

Not a tumour

Doesnt contain cholesterol

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15
Q

Where does cholesteatoma affect?

A

Superior posterior middle ear and/or

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16
Q

What is the pathogenesis of cholesteatoma?

A

Chronic ottis media and perforated tympanic membrane

17
Q

What makes up the lining of the middle ear?

A

Cuboidal or columnar grandular epithelium

18
Q

What should you consider if someone has bilateral vestibular schwannoma?

A

Neurofibromatosis type 2

19
Q

What should be considered if a young person has nasal polyps?

A

Cystic fibrosis

20
Q

What antibody is found in microscopic polyangiitis?

A

pANCA

21
Q

What antibody is found in Wegener’s?

A

cANCA

22
Q

What virus does nasopharyngeal carcinoma have an association with?

A

Epstein Barr Virus

Also with nitrosamines in food

23
Q

What does epstein barr virus affect?

A

epithelial cells of oropharynx and B cells

24
Q

What is sialolithiasis?

A

Stones in the salivary ducts

25
Q

What can paramyxovirus cause?

A

Mumps
Bilateral parotits
risk of secondary meningitis

26
Q

what should you think if there is a young patient with a painful mass?

A

Malignancy

ENT (11 decks)

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