Uterine Cancer Flashcards

1
Q

what is hyperplasia?

A

an increase in the number of cells

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2
Q

what are the three types of endometrial hyperplasia?

A

simple
complex
atypical

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3
Q

which type of endometrial hyperplasia is a precursor of carcinoma?

A

atypical

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4
Q

what is one possible cause of endometrial hyperplasia?

A

persistent oestrogen stimulation

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5
Q

how does endometrial hyperplasia present?

A

abnormal bleeding

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6
Q

when is the peak incidence of endometrial carcinoma?

A

50-60 years old

uncommon under 40

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7
Q

what should be considered in young women with endometrial carcinoma?

A

underlying conditions

i.e. PCOS, Lynch syndrome

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8
Q

what are the two main groups of endometrial carcinoma?

A

endometrioid carcinoma

serous carcinoma

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9
Q

what is the precursor of an endometrioid endometrial carcinoma?

A

atypical hyperplasia

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10
Q

what is a type one endometrial carcinoma?

A

endometrioid endometrial carcinoma

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11
Q

which type of endometrial carcinoma is most common?

A

endometrioid

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12
Q

what is endometrioid endometrial carcinoma related to?

A

unopposed oestrogen

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13
Q

what are the two types of endometrioid endometrial carcinoma?

A

endometrioid

mucinous

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14
Q

what mutations are associated with endometrioid endometrial carcinoma?

A

PTEN
KRAS
PIK3CA

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15
Q

what is the precursor for serous endometrial carcinoma?

A

serous intraepithelial carcinoma

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16
Q

what is a type two endometrial carcinoma?

A

serous endometrial carcinoma

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17
Q

who gets serous endometrial carcinomas?

A

elderly, postmenopausal

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18
Q

what mutation is often associated with serous endometrial carcinoma?

A

TP35

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19
Q

what are the two phenotypes of serous endometrial carcinoma?

A

serous

clear cell

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20
Q

how can serous endometrial carcinoma spread?

A

along Fallopian tube mucosa and onto peritoneal surfaces

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21
Q

what is the more aggressive type of endometrial carcinoma?

A

serous endometrial carcinoma

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22
Q

how does endometrial carcinoma usually present?

A

abnormal bleeding

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23
Q

how can endometrial carcinoma spread?

A

directly
lymphatic
haematogenous

24
Q

where can endometrial carcinoma spread directly?

A

myometrium

cervix

25
what are the stages for endometrial carcinoma?
I-IV
26
what does prognosis of endometrial carcinoma depend on?
stage histological grade depth of myometrial invasion
27
what are the treatment options for endometrial carcinoma?
hysterectomy chemotherapy radiotherapy
28
define a grade 1 endometrioid endometrial carcinoma
5% or less solid growth
29
define a grade 2 endometrioid endometrial carcinoma
6-50% solid growth
30
define a grade 3 endometrioid endometrial carcinoma
>50% solid growth
31
what is a stage I endometrial carcinoma?
confined to the uterus
32
what is a stage IA endometrial carcinoma?
no/<50% myometrial invasion
33
what is a stage IB endometrial carcinoma?
invasion equal to or >50% of myometrium
34
what is a stage II endometrial carcinoma?
tumour invades cervical stroma
35
what is a stage III endometrial carcinoma?
local and/or regional tumour spread
36
what is a stage IIIA endometrial carcinoma?
tumour invades serosa of uterus and/or adnexae
37
what is a stage IIIB endometrial carcinoma?
vaginal and/or parametrical involvement
38
what is a stage IIIC endometrial carcinoma?
metastases to pelvic and/or para-aortic lymph nodes
39
what is a stage IV endometrial carcinoma?
tumour invades bladder and/or bowel mucosa (IVA) and/or distant metastases (IVB)
40
what is endometrial stromal sarcoma?
tumour arising from the endometrial stroma
41
where can endometrial stromal sarcoma invade?
myometrium | lymph-vascular spaces
42
where can endometrial stromal sarcoma invade?
myometrium | lymph-vascular spaces
43
how do endometrial stromal sarcoma usually present?
AUB metastasis
44
where do endometrial stromal sarcoma commonly metastasise to?
ovary | lung
45
what is the most important prognostic factor for endometrial stromal sarcoma?
stage
46
what is endometrial carcinosarcoma?
a mixed tumour with malignant, epithelial and stromal elements
47
who tends to get endometrial carcinosarcoma?
elderly women
48
what is the prognosis like for endometrial carcinosarcoma?
poor very aggressive
49
what is an older name used for endometrial carcinosarcoma?
mixed Mullerian tumour
50
what are two possible smooth muscle tumours of the myometrium?
leiomyoma (benign) | leiomyosarcoma (malignant)
51
what is another name for uterine leiomyoma?
uterine fibroids
52
what is uterine leiomyoma associated with?
menorrhagia | infertility
53
what is seen in morphology of leiomyosarcoma?
spindle cells
54
what is the most common uterine sarcoma
leiomyosarcoma
55
who is most commonly affected by leiomyosarcoma?
women over 50
56
what are the most common symptoms of leiomyosarcoma?
abnormal vaginal bleeding palpable pelvic mass pelvic pain