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Business Process Mgmt > 1st trimester abn > Flashcards

1st trimester abn Flashcards

1
Q

whats is pseudocyesis

A

belief that you are expecting a baby when you are not really carrying a child

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2
Q

what is couvade

A

men experience sympathetic pregnancy

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3
Q

what is Pseudogestational sac

A

intrauterine anechoic sac-like structure that may be mistaken for an early viable pregnancy

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4
Q

Pseudogestational sac appearance in comparison to true gestational sac

A

PseudoGS has central location, oval shape and lack of a thick chorion ring

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5
Q

Pseudogestational sac may also have free fluid where

A

PCDS

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6
Q

pseudo sac can also be called

A

decidual cast cyst

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7
Q

what makes up the double bleb sign

A

Yolk sac and amniotic sac

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8
Q

is double bleb sign good or bad?

A

good, important feature of intrauterine pregnancy

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9
Q

what is anembryonic pregnancy

A

is a gestational sac which develops without an embryo

NO FETAL POLE

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10
Q

anembryonic pregnancy aka

A

blighted ovum

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11
Q

fetal pole should be seen by MSD =

A

25mm

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12
Q

first sonographic sign of intrauterine pregnancy

A

gestational sac

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13
Q

abnormal gestational sac indicates

A

problem with pregnancy

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14
Q

max diameter of yolk sac is ____mm at 10 weeks

A

6mm

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15
Q

abnormally large yolk sac may indicate

A

poor obstetric outcome

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16
Q

Shape of normal yolk sac

A

circle

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17
Q

calcified yolk sac without blood represents

A

long standing embryonic demise

18
Q

what is gestational trophoblastic disease

A

slow-growing tumour that develops from trophoblastic cells (cells that help an embryo attach to the uterus and help form the placenta)

19
Q

most common type of gestational trophoblastic tumour

A

hydatidiform mole

20
Q

Hydatidiform mole aka

A

molar pregnancy

21
Q

sign of trophoblastic disease in blood flow to fetus

A

high velocity, low impedance waveforms in the 1st and early 2nd trimesters due to high degree of arterial invasion by abnormally proliferating trophoblast.

22
Q

colour sign of trophoblastic disease

A

chaotic vasculature with colour aliasing within the mass

23
Q

complete hydatidiform mole gives what sono appearance

A

swiss cheese

24
Q

cystic degeneration of the chorionic villi associated with

A

theca luteal cysts

25
Q

Hydatidiform Mole Malignant or benign

A

benign

26
Q

Trophoblastic Disease usual result

A

blighted ovum/fetal demise

27
Q

clinical feature of all trophoblastic diseases (2)

A

increase B hcg levels

vaginal bleeding -> may include passage of vessicles

28
Q

cause of Complete hydatiform mole and chromo pattern

A

Forms when sperm fertilizes an egg that does not contain an original maternal nucleus

46xx (diploid karyotype)

29
Q

main sono appearance of Complete hydatiform mole

A

mass with multiple cysts in it with varying size

30
Q

cause of partial hydatiform mole and chromo pattern

A

Forms when 2 haploid sperm fertilizes a normal egg but there are two sets of DNA from the father in the fertilized egg.
Placenta cell are abnormal

69, XXX or 69, XXY (triploid karyotype)

31
Q

comparison of fetal parts seen in complete vs partial hydatiform mole

A

complete: absence of fetus
partial: fetal parts seen

32
Q

what is more likely to see on US complete or partial hydatiform moles

A

complete

33
Q

why do we treat hydatiform mole if its benign

A

to avoid persistent trophoblastic neoplasia

34
Q

most common persistent trophoblastic neoplasia

A

invasive mole

35
Q

what is invasive mole

A

Intermediate stage between a benign mole and a highly malignant choriocarcinoma

36
Q

another name for invasive mole

A

chorioadenoma destruens

37
Q

where is choriocarcinoma most likely to metastasize to

A

lung

38
Q

treatment for malignant trophoblastic diseases

A

hysterectomy and chemo

39
Q

most rare and fatal type of gestational trophoblastic disease

A

Placental-site trophoblastic neoplasia (PSTT)

40
Q

PSTT spreads where

A

muscles of the uterus and into the blood vessels. May also spread to the lungs, pelvis or lymph nodes

41
Q

Epithelioid trophoblastic tumours (ETT) are benign or malignant? and where can it spread

A

either and spreads to lungs

42
Q

Patients are followed up on gestational trophoblastic disease until

A

their HcG levels return to normal

Business Process Mgmt (30 decks)

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