Module 2 : Sonography Of The Female Pelvis Flashcards
Reasons for pelvic ultrasound
Pelvic pain Dysfunctional bleeding IUCD placement Mass felt on bimanual pelvic exam ? Pregnancy
Exam prep
1 liter of water one hour before exam starts
Reasons for full bladder
Pushes uterus from anteflexed position to a more horizontal plane for better visualization
Displaced intestine
Great window for pelvic anatomy
Landmark
Indicates mobility of female pelvic pathology
Comparison for cystic legions
Questions to ask for exam
Age Gravidity - have you been pregnant Parity - how many children LMP (Normal?) Symptoms (cyclical?) Results of clinical pelvic exM Previous pelvic surgery Results of a pregnancy test
Gravity (G)
Number of times a women has been pregnant
Including if currently pregnant
Parity
Number of term pregnancies or live births
Abortion (A)
SA - spontaneous
TA - therapeutic
Nulliparous
Never been pregnant
Parous
Currently pregnant
Prima gravida
First time pregnant
Scanning basic protocol
- Explain what going to do
- Use protective drapes as per protocol
- Apply warm gel just above the symphysis pubis
* SWITCH TO HRES - Start in sagittal ALWAYS
- assess if bladder is full enough
- scan it to side wall of pelvis in all direction
- SWEEPING = to the vessels - Turn transverse and look from inferior to superior aspect of pelvis ( ALL THE WAY TO UMBILICUS)
- Take required images
Bladder filling
Just full enough to cover fundus but not too much that it will squish it!
Scanning ovaries
Best view to use is contralateral
USE BLADDER AS WINDOW
Obese patients
Move them to trendelenberg
Ask for assistance
Use EV
Ask patient to lift panniculus
Endovaginal advantages
Higher frequencies
Better resolution
Empty bladder
Larger image
Endovaginal limitations
Pathology may be outside field of view
- fibroid or ovary
If patient can’t fully empty bladder
Endovaginal basics
Always cover probe with condom or non latex transducer cover
Explaining
- “ an internal camera to get better images”
- “ similar to inserting a tampon”
Endovaginal orientation
Right on top of the organ
Sagittal exam
- cervix is on the right hand side
- fundus on left hand side
- bladder in left hand corner
EV vs TRANS ABD or VESICLE
EV - ectopic pregnancies - early pregnancies - ovarian detail - better endometrium TRANS - mandatory for assessing free fluid with ectopic pregnancies, ovaries high in the pelvis, large masses, relational anatomy
- complimentary
Contraindications to EV
Effaced or dilated cervix
Young girl (virgin)
Infection (herpes) painful
Atrophic Anatomy (elderly )
Measuring the uterus
AP measurement done in long axis
Length includes cervix
Along endometrial canal
Measuring endometrium
Outerwall to outer wall
- do not include hypoechoic halo
female pelvis detailed routine
- Sag Ute Cvx Vag (length and AP)
- Sag endometrial canal (AP)
- Trans Vag
- Trans Cvx
- Trans Ute(width)
- document abnormal
- Sag right ovary (length and AP)
- Trans right ovary (width)
- Sag left ovary (length and AP)
- Trans left ovary (width)
- also document and measure abnormalities
Kidney portion
- Sag right kid (measured)
- Trans right kid (measure at mid)
- Sag left kid (measured)
- Trans left kid (measured at mid)