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Pathology > Ovarian tumours > Flashcards

Ovarian tumours Flashcards

1
Q

What is most common malignant ovarian tumour?

A

Serous adenocarcinoma

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2
Q

What is the most common benign ovarian tumour?

A

Mature teratoma

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3
Q

Which ovarian tumours are germ cell tumours?

A 
Teratoma (mature and immature)
Yolk sac (epithelial sinus tumour)
Dysgerminoma
Choriocarcinoma
Embryonal carcinoma
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4
Q

What kind of ovarian tumour is a teratoma?

A

Teratomas are germ cell tumours

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5
Q

What proportion of mature teratomas undergo malignant transformation?

A

1%

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6
Q

Which tissue are immature teratoma predominately formed of?

A

Neuroectoderm

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7
Q

What is the main difference between mature and immature teratoma?

A

Mature teratoma are benign

Immature teratoma are much more rare and are malignant

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8
Q

What are the most common ovarian tumours seen in young women?

A

Germ cell tumours

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9
Q

What type of ovarian tumour is choriocarcinoma?

A

Germ cell

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10
Q

What type of ovarian tumour is embryonal carcinoma?

A

Germ cell

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11
Q

What type of ovarian tumour is immature teratoma?

A

Germ cell

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12
Q

What type of ovarian tumour is yolk sac tumour?

A

Germ cell

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13
Q

What type of ovarian tumour is dysgerminoma?

A

Germ cell

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14
Q

What type of ovarian tumour is endodermal sinus tumour?

A

Germ cell

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15
Q

What is another name for a yolk sac tumour?

A

Endodermal sinus tumour

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16
Q

What is another name for an endodermal sinus tumour?

A

Yolk sac

17
Q

What type of ovarian tumour is an endometroid tumour?

A

Epithelial

18
Q

What type of ovarian tumour is a clear cell tumour?

A

Epithelial

19
Q

What type of ovarian tumour is a Brenner tumour?

A

Epithelial

20
Q

What type of ovarian tumour is a transitional cell tumour?

A

Epithelial

21
Q

What type of ovarian tumour is a mucinous tumour?

A

Epithelial

22
Q

What type of ovarian tumour is a serous tumour?

A

Epithelial

23
Q

What kind of ovarian tumour is seen more commonly in post menopausal women?

A

Serous and mucinous

24
Q

What type of ovarian tumour is a Leydig cell tumour?

A

Stromal sex-cord tumour

25
Q

What type of ovarian tumour is a granulosa cell tumour?

A

Stromal sex-chord tumour

26
Q

What type of ovarian tumour is a krunkenberg tumour?

A

A secondary ovarian tumour mainly derived from gastric adenocarcinoma

27
Q

Where are krunkenberg tumours primarily derived from?

A

Secondary ovarian tumours derived from gastric adenocarcinoma (but also can arise from breast)

28
Q

Which ovarian tumour displays “schiller Duval bodies”

A

Yolk sac tumour

29
Q

Which tumour marker is secreted by Yolk sac tumours

A

AFP

30
Q

Which tumour marker is secreted by choriocarcinoma?

A

BHCG

31
Q

How does choriocarcinoma metastasise?

A

Haematogenous spread

32
Q

What proportion of endometrioid carcinoma is associated with endometrial cancer?

A

15-30%

33
Q

What proportion of endometrioid carcinoma is associated with endometriosis?

A

10-15%

34
Q

Which ovarian tumour is associated with psamma bodies on histopathology?

A

Serous cystadenocarcinoma (malignant)

35
Q

Which ovarian tumour is associated with endometriosis?

A

Clear cell ovarian tumour

36
Q

What does a Brenner tumour consist of?

A

Transitional epithelial cells (mostly benign)

37
Q

Which ovarian tumour might cause endometrial hyperplasia?

A

A Granulosa cell tumour secreting oestrogen

38
Q

Which ovarian tumour is made up of transitional cell epithelium?

A

Brenner tumour (epithelial cell tumour)

39
Q

Which ovarian tumour which is commonly found in children is very radiosensitive?

A

Dysgerminoma (germ cell tumour)

Pathology (5 decks)

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