Imaging Flashcards
1
Q
Explain using a transabdominal USS?
A
- 1st line
- uses a abdominal US transducer
- full bladder acts as an acoustic window
2
Q
Explain the use of a transvaginal USS?
A
- Usually 2nd line to transabdominal
- invasive procedure
- excellent depiction of pelvic organs
3
Q
Disadvantages of USS?
A
- User dependant
- obesity may make a transabdominal scan harder
4
Q
What is a hysterosalpinography used for?
A
- assessment of tubal patency
- cervix cannulated and radiopaque contrast instilled
5
Q
3 measurements of the ovaries?
A
- height
- width
- length
- volume then calculated
6
Q
An ovarian volume greater than ___ml may be suggestive of PCOS?
A
- Greater than 10ml
7
Q
Disadvantage of CT scanning?
A
- higher dose radiation
8
Q
What is CT scanning used for in gynaecology?
A
- staging of ovarian and endometrial cancer
- more likely distant spread
9
Q
Different MRI sequences
A
- T1 weighting and T2
10
Q
What shows bright white in t1 sequencing mRI?
A
- Blood, protein, mucin
11
Q
What goes bright white on T2 sequencing?
A
- water
- oedema
- infection
12
Q
Staging in Ovarian cancer?
A
- CT
13
Q
Staging in cervical cancer
A
- MRI
- as more likely to be local invasion
14
Q
Endometrial cancer staging
A
- MRI
- Transvaginal USS for thickness
15
Q
What is hydrosalpinx?
A
- fluid and build up and dilation of uterine tubes
