Page 21 Flashcards

1
Q

When is the signal intensity of the myometrium lowest?

A

menstruation and early proliferative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When are the ovaries largest?

A

just prior to ovulation (may dominant follicle kasi)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What lesions demonstrate T2 shading?

A

endometriomas (chocolate cysts)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the signs of hemorrhagic infarction of the torsed adnexa?

A

marked thickening of the wall of the adnexal mass (>10 mm), hemorrhage within the mass and within the twisted tube, and hemoperitoneum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Most aggressive of the uterine tumors?

A

uterine sarcomas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Endometrial atrophy measurement

A

<5 mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Endometrial ca measurement

A

> 1.5 cm is strongly associated with c

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Most characteristic appearance of benign cystic teratomas?

A

cystic mass with complex fluid and a mural nodule called dermoid plug

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

(What term refers to the endometrium of the pregnant uterus?)

A

decidua

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the earliest site of blood cell formation in the embryo? What is the earliest structure visualized within the gestational sac?

A

yolk sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the earliest demonstration of the embryo?

A

double bleb sign

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Concurrent intrauterine and extrauterine pregnancies?

A

heterotopic pregnancy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

More common type of hydatidiform mole?

A

complete - 70% (partial - 30%)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what level are the BPD and HC measured?

A

third ventricle and thalamus - transthalamic plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

At what level is the AC measured?

A

intrahepatic portion of the umbilical vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Intrauterine infections that cause IUGR?

A

rubella, CMV, toxo

16
Q

Normal AFI

A

5-20 cm

16
Q

Vessels in the normal umbilical cord?

A

2 arteries and 1 vei

17
Q

Parameters of biophysical profile

A
  1. reactive fetal heart rate (nonstress test) assess acute hypoxia
  2. respiratory
  3. motor
  4. fetal tone
  5. amniotic fluid
17
Q

At what level is the transventricular plane demonstrated and what is the dominant landmark that is used?

A

ventricular atria; choroid plexus

18
Q

Polyhdramnios cutoff values

A

> 2L at delivery, AFI >20 cm, single pocket >8 cm

18
Q

What parameter is the length of the normal fetal kidneys in mm approximately equal to?

A

GA in weeks

18
Q

Both kidneys are enlarged in ARPKD and ADPKD, what differentiates them?

A

Sonulucent rim is present in ARPKD

19
Q

3 axial planes in US screening for CNS anomalies?

A

thransthalamic, transventricular, transcerebellar

19
Q

Cystic adenomatoid malformation types

A

Type I - single or multiple cysts >2 cm
Type II - multiple smaller cysts of uniform size <2 cm
Type III - echogenic solid masses (because the cysts are microscopic)

19
Q

On what side of the umbilicus is gastrochisis nearly always located?

A

right (pag omphalocele, midline at the umbilicus / base of the umbilical cord)

20
Q

What is the hallmark of osteogenesis imperfecta?

A

osteoporosis

20
Q

What condition does massive enlargement of both kidneys associated with oligohydramnios suggest?

A

ARPKD

21
Q

What anomaly is suggested by clenched hands with overlapping index fingers?

A

trisomy 18

22
Q

What syndrome is suggested when there is hypoplasia of the middle phalanx of the 5th digit in association with femur and humerus shortening?

A

Down syndrome