Cytopathology Flashcards

1
Q

What is cytopathology

A

The diagnosis of disease from the microscopic appearance of single or groups of cells

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2
Q

What are the cell types of the cervix

A

The endocervix
The ectocervix

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3
Q

What is the wndocervix lined by

A

The columnar epithelium

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4
Q

What is the ectocervix lined by

A

The squamous epithelium

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5
Q

What is the transformation zone

A

Where the endocervix and ectocervix meet

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6
Q

What 9 types of HPV are protected by the gardasil vaccine

A

6,11,16,18,31,33,45,52,58

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7
Q

What type of HPV causes the most cervical cancer

A

16, 18

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8
Q

What expression shows HPV will lead to disease

A

E6/E7 mRNA

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9
Q

What are the 4 layers of squamous cells

A

Basal
Parabasal
Intermediate
Superficial

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10
Q

What do mature squamous cells contain and stain

A

Keratin, stains orangey pink

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11
Q

What do mid maturity squamous cells contain and stain

A

Contain cytoplasm, stain pink

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12
Q

What do I mature squamous cells contain and stain

A

Contain collagen and stain green/blue

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13
Q

What do parabasal squamous cells stain

A

Deep green/ blue

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14
Q

What shows pre cancerous changes in squamous cells

A

Nuclear enlargement
Irregular form and outline
Irregular chromatin
Multinuculiation

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15
Q

What is CIN

A

Cervical intraepithelial neoplasia (pre cancer)

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16
Q

What kind of specimen is used for papanicolaou

A

Wet fixed specimens

17
Q

What is papanicolaou stain good for

A

Nuclear destin

18
Q

What does the Papanicolaou stain consist of

A

Haematoxylin, EA50 and OG6

19
Q

What specimen is Romanowsky stain used for

A

Air dried

20
Q

What is romanowsky stain good for

A

Cytoplasmic detail

21
Q

What does the romanowsky stain consist of

A

May-grunwald and giemsa

22
Q

How many patients with blood in their urine have cancer

A

10-25% the cancer is usually bladder cancer

23
Q

What are the 4 types of bladder cancer

A

Urothelial transitional cell cancer
Squamous cell bladder cancer
Adenocarcinoma
Sarcoma and small cell cancer

24
Q

How many of bladder cancer is urothelial

A

90%

25
Q

What does urothelial cancer cause

A

It develops from transitional cells lining the bladder, these bunch together when the bladder is empty and stretch out when bladder is full

26
Q

What percentage of bladder cancer is squamous cell

A

5%

27
Q

What percentage of bladder cancer is adenocarcinoma

A

1-2%

28
Q

What causes adénocarcinoma

A

Gland cells producing mucus

29
Q

What is a bronchoscope/ endoscope

A

A tube fitted with fibre optics or a tiny camera

30
Q

What kind of cancer is squamous cell carcinoma

A

Larger bronchi cancer

31
Q

How is squamous cell carcinoma occurred

A

Squamous cell metaplasia of the bronchial cells

32
Q

What is adenocarcinoma

A

The most common type of lung cancer that is prevalent in smokers

33
Q

What is small cell carcinoma

A

Central bronchus and then into the bronchi airways

34
Q

What is FNA

A

Fine needle aspiration

35
Q

What are follicular cells

A

The major cell type of the thyroid

36
Q

What is the function of follicular cells

A

The production and secretion of the hormones T3 and T4