Cervical cancer and cervical screening Flashcards

(58 cards)

1
Q

What other cancers can high-risk HPV cause?

A
Cervical
Penis
Vulva/vagina
Anus
Mouth
Oropharynx
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2
Q

What is the peak age for cervical cancer?

A

45-55

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3
Q

Which HPVs are high risk for cervical cancer?

A

16 & 18

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4
Q

What are the risk factors for cervical cancer?

A

Multiple partners
Early age at first intercourse
Older age of partner
Smoking

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5
Q

What are cervical cancer symptoms?

A
Abnormal vaginal bleeding
Post coital bleeding
Intermenstrual bleeding/PMB
Discharge
Pain
Often asymptomatic
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6
Q

How is cervical cancer diagnosed?

A

Screen detected

Biopsy

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7
Q

What does screening aim to detect?

A

Pre-cancerous disease NOT cancer

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8
Q

What are the two types of cervical cancer?

A

Squamous cell carcinoma

Adenocarcinoma

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9
Q

What type of cervical cancer are the majority?

A

Squamous carcinoma

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10
Q

What is the staging for cervical cancer?

A

1A - 4B

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11
Q

What is stage 1A1 cervical cancer?

A

Invasive cancer identified only microscopically

<3mm depth and <7mm diameter

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12
Q

What is stage 1A2 cervical cancer?

A

<5mm depth

<7mm diameter

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13
Q

What is stage 1B cervical cancer?

A

Confined to cervix

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14
Q

What is stage 2 cervical cancer?

A

Upper 2/3 vagina

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15
Q

What is stage 3 cervical cancer?

A

Lower vagina, pelvis

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16
Q

What is stage 4 cervical cancer?

A

Bladder, rectum

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17
Q

What is the lymphatic metastasis of cervical cancer?

A

Pelvic nodes

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18
Q

What is the systemic metastasis of cervical cancer?

A

Liver, lungs, bone

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19
Q

What investigations are used for cervical cancer staging?

A

PET-CT

MRI

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20
Q

What is the treatment for stage 1A cervical cancer?

A

Hysterectomy

Excision of cervical TZ

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21
Q

What is the treatment for stage 1B-2A cervical cancer?

A

Radical/total hyseterectomy
OR
Chemoradiotherapy

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22
Q

What is the treatment for stage 2B-4 cervical cancer?

A

Chemoradiotherapy

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23
Q

What does radical hysterectomy involve?

A

Removal of: uterus, cervix, upper vagina, parametria, pelvic nodes
Ovaries conserved
Exploration of pelvic and para-aortic space

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24
Q

What is the radiotherapy treatment for cervical cancer?

A

External beam x 20 fractions

25
What is the chemotherapy for cervical cancer?
5 cycles cisplatin
26
What are the options for cervical cancer treatment?
``` Hysterectomy Radiotherapy Chemotherapy Chemoradiotherapy Caesium insertion ```
27
What is the most important cause of cervical cancer?
HPV
28
What less common cancers can HPV cause,?
``` Cervix Penis Vulva/vaginal Anus Mouth Oropharynx ```
29
Who has been vaccinated against HPV?
Girls born after 1 September 1990
30
What type of cancers are cervical cancers mainly?
Squamous cell carcinoma
31
What is the SCCRS?
Scottish Cervical Call Recall System (SCCRS)
32
If there are minor changes on cervical screening what is the next step?
Colposcopy
33
What age group is cervical screening aimed at?
25-65
34
How often do you have a cervical screening?
Every 5yrs
35
What type of test is cervical screening?
Liquid based cytology (LBC)
36
Where are the cells taken from in the cervix?
Transformation zone
37
What does abnormal cells on cervical screening mean?
Cervical intraepithelial neoplasia (CIN)
38
What type of epithelium is typically in the endocervix?
Columnar epithelium
39
What type of epithelium is typically in the ectocervix?
Squamous epithelium
40
What type of epithelium is typically in the transformation zone?
Squamo-columnar as is junction between two
41
What method stains cervical samples?
Papanicolaou method (PAP)
42
What is it called when the cytology of the cervix is abnormal?
Dyskaryosis
43
What does the grading of dyskaryosis mean?
Degree of underlying CIN - low grade - high grade
44
What cells reflect HPV infection?
Koilocytes
45
Which test is more sensitive HPV test or cytology?
HPV test
46
What is used in colposcopy to identify limits of lesion?
Acetic acid
47
What is done to make diagnosis of cervical cancer/CIN?
Punch biopsy
48
What cells does HPV infect in the transformation zone?
Basal layer cells
49
What does koilocytosis look like?
Cells with wrinkled nuclear and perinuclear halo
50
What are low risk types of HPV?
6, 11, 42, 44
51
What are high risk types of HPV?
16, 18, 31, 45
52
What are low grade types of HPV?
Genital warts and low grade CIN
53
What are high grade types of HPV?
High grade CIN | Cancer
54
How does HPV cause high grade CIN?
Deregulation of host cell cycle
55
What are the 3 grades of CIN?
CIN 1: low grade dysplasia CIN 2: moderate dysplasia CIN 3: severe dysplasia - unlikely to regress
56
What is cervical intraepithelial neoplasia (CIN)?
Disorganised proliferation of abnormal cells in squamous epithelium
57
What is the treatment for CIN?
LLETZ Thermal coagulation Laser ablation
58
What are the risks of CIN?
Increased risks of cervical cancer compared with normal population