Imaging

Question 1

Explain using a transabdominal USS?

Answer 1

• 1st line
• uses a abdominal US transducer
• full bladder acts as an acoustic window

Question 2

Explain the use of a transvaginal USS?

Answer 2

• Usually 2nd line to transabdominal
• invasive procedure
• excellent depiction of pelvic organs

Question 3

Disadvantages of USS?

Answer 3

• User dependant

- obesity may make a transabdominal scan harder

Question 4

What is a hysterosalpinography used for?

Answer 4

• assessment of tubal patency

- cervix cannulated and radiopaque contrast instilled

Question 5

3 measurements of the ovaries?

Answer 5

• height
• width
• length
• volume then calculated

Question 6

An ovarian volume greater than ___ml may be suggestive of PCOS?

Answer 6

• Greater than 10ml

Question 7

Disadvantage of CT scanning?

Answer 7

• higher dose radiation

Question 8

What is CT scanning used for in gynaecology?

Answer 8

• staging of ovarian and endometrial cancer

- more likely distant spread

Question 9

Different MRI sequences

Answer 9

• T1 weighting and T2

Question 10

What shows bright white in t1 sequencing mRI?

Answer 10

• Blood, protein, mucin

Question 11

What goes bright white on T2 sequencing?

Answer 11

• water
• oedema
• infection

Question 12

Staging in Ovarian cancer?

Answer 12

• CT

Question 13

Staging in cervical cancer

Answer 13

• MRI

- as more likely to be local invasion

Question 14

Endometrial cancer staging

Answer 14

• MRI

- Transvaginal USS for thickness

Question 15

What is hydrosalpinx?

Answer 15

• fluid and build up and dilation of uterine tubes

Question 16

Diagnosing endometriosis?

Answer 16

• diagnostic laparoscopy

- MRI

Question 17

What will a dermoid cyst appear like on MRI?

Answer 17

• Large amounts of fat