Measurements Flashcards
Cervix/Corpus Ratio - Newborn
1:1
or 2:1 (bc of influence from maternal hormones)
(Body to cervix ratio = 1:1 or 1:2)
Cervix/Corpus Ratio - Prepubertal
1:1
(Body to cervix ratio = 1:1)
Cervix/Corpus Ratio - Nulliparous Adult
1:2
(Body to cervix ratio = 2:1)
Cervix/Corpus Ratio - Parous Adult
- Muliparous adult may be __:__
1:2
(Body to cervix ratio = 2:1)
Multiparous adult may be 1:3
Cervix/Corpus Ratio - Postmenopause
1:1
(Body to cervix ratio = 1:1)
Uterine Length - Nulliparous Adult
6-8 cm
Uterine Length - Parous Adult
8-10 cm
Uterine Length - Postmenopausal Adult
3-5 cm
Normal Fallopian tube length
- diameter?
10 - 12 cm (penny says 7-12 cm)
1-4 mm (diameter)
Ovarian Mean Volume - Premenarchal age
< 3.0 mL
Ovarian Mean Volume - Menstruating age
6-10 mL
Ovarian Mean Volume - Postmenopausal
3 - 6 mL
Endometrial Thickness - Menstrual phase
1-4 mm
Endometrial Thickness - Proliferative phase
4-6 mm
Endometrial Thickness - Proliferative phase
7 - 14 mm
Endometrial Thickness - Postmenopause
< 5 mm (if not on HRT)
< 8 mm (if on HRT)
How to measure the Uterus
- measure ______ & _____ in midsagittal plane
- Use ______________ _____ to correct for flexion
- measures greatest _______ on transverse image
- length & height (AP)
- endometrial lining
- width
How to measure the endometrium
- measure _______ in midsagittal plane
- Measure ________ area
- Do not include ______ within the endometrial canal in measurement
- always include both _____ in measurement
- Size and thickness will vary throughout the ___________ __.
- height (AP dimension)
- thickest
- fluid
- walls
- menstrual cycle
How to measure masses
- measure ______ and _____ on longest axis of the mass
- measure greatest _____ on short axis of the mass
- add _______ _______ as well
- length & height (AP)
- width
- color doppler
A vaginal cuff measuring >__ cm and containing a solid mass is concerning for malignancy.
> 2 cm (? in width)
Endometrium measuring > ___ mm in a premenopausal women = Endometrial hyperplasia
> 14 mm = hyperplasia
Endometrium measuring > ___ mm in a postmenopausal women NOT on HRT = Endometrial hyperplasia
> 5 mm (no HRT) = hyperplasia
Endometrium measuring > ___ mm in a postmenopausal women on HRT = Endometrial hyperplasia
> 8 mm (w/ HRT) = hyperplasia
Endometrial atrophy = endo measures <___ mm
< 5 mm = endo atrophy
measures 4 mm or less = atrophy (penny)
