Ovarian tumours

Question 1

What is most common malignant ovarian tumour?

Answer 1

Serous adenocarcinoma

Question 2

What is the most common benign ovarian tumour?

Answer 2

Mature teratoma

Question 3

Which ovarian tumours are germ cell tumours?

Answer 3

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

Question 4

What kind of ovarian tumour is a teratoma?

Answer 4

Teratomas are germ cell tumours

Question 5

What proportion of mature teratomas undergo malignant transformation?

Answer 5

1%

Question 6

Which tissue are immature teratoma predominately formed of?

Answer 6

Neuroectoderm

Question 7

What is the main difference between mature and immature teratoma?

Answer 7

Mature teratoma are benign

Immature teratoma are much more rare and are malignant

Question 8

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

Answer 8

Germ cell tumours

Question 9

What type of ovarian tumour is choriocarcinoma?

Answer 9

Germ cell

Question 10

What type of ovarian tumour is embryonal carcinoma?

Answer 10

Germ cell

Question 11

What type of ovarian tumour is immature teratoma?

Answer 11

Germ cell

Question 12

What type of ovarian tumour is yolk sac tumour?

Answer 12

Germ cell

Question 13

What type of ovarian tumour is dysgerminoma?

Answer 13

Germ cell

Question 14

What type of ovarian tumour is endodermal sinus tumour?

Answer 14

Germ cell

Question 15

What is another name for a yolk sac tumour?

Answer 15

Endodermal sinus tumour

Question 16

What is another name for an endodermal sinus tumour?

Answer 16

Yolk sac

Question 17

What type of ovarian tumour is an endometroid tumour?

Answer 17

Epithelial

Question 18

What type of ovarian tumour is a clear cell tumour?

Answer 18

Epithelial

Question 19

What type of ovarian tumour is a Brenner tumour?

Answer 19

Epithelial

Question 20

What type of ovarian tumour is a transitional cell tumour?

Answer 20

Epithelial

Question 21

What type of ovarian tumour is a mucinous tumour?

Answer 21

Epithelial

Question 22

What type of ovarian tumour is a serous tumour?

Answer 22

Epithelial

Question 23

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

Answer 23

Serous and mucinous

Question 24

What type of ovarian tumour is a Leydig cell tumour?

Answer 24

Stromal sex-cord tumour

Question 25

What type of ovarian tumour is a granulosa cell tumour?

Answer 25

Stromal sex-chord tumour

Question 26

What type of ovarian tumour is a krunkenberg tumour?

Answer 26

A secondary ovarian tumour mainly derived from gastric adenocarcinoma

Question 27

Where are krunkenberg tumours primarily derived from?

Answer 27

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

Question 28

Which ovarian tumour displays "schiller Duval bodies"

Answer 28

Yolk sac tumour

Question 29

Which tumour marker is secreted by Yolk sac tumours

Answer 29

AFP

Question 30

Which tumour marker is secreted by choriocarcinoma?

Answer 30

BHCG

Question 31

How does choriocarcinoma metastasise?

Answer 31

Haematogenous spread

Question 32

What proportion of endometrioid carcinoma is associated with endometrial cancer?

Answer 32

15-30%

Question 33

What proportion of endometrioid carcinoma is associated with endometriosis?

Answer 33

10-15%

Question 34

Which ovarian tumour is associated with psamma bodies on histopathology?

Answer 34

Serous cystadenocarcinoma (malignant)

Question 35

Which ovarian tumour is associated with endometriosis?

Answer 35

Clear cell ovarian tumour

Question 36

What does a Brenner tumour consist of?

Answer 36

Transitional epithelial cells (mostly benign)

Question 37

Which ovarian tumour might cause endometrial hyperplasia?

Answer 37

A Granulosa cell tumour secreting oestrogen

Question 38

Which ovarian tumour is made up of transitional cell epithelium?

Answer 38

Brenner tumour (epithelial cell tumour)

Question 39

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

Answer 39

Dysgerminoma (germ cell tumour)