Fetal Renal Anomalies Flashcards Preview

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Flashcards in Fetal Renal Anomalies Deck (17)
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0
Q

Fetus modifies fluid volume after

A

20 wks

1
Q

What does MCDK look like on US

A

Multiple cysts varying size

Loss of sinus

2
Q

Oligohydramnios reasons

A
Renal anomaly
IUGR 
PROM
Fetal demise
Post term Gestation
3
Q

Bilateral renal agenesis

A
Most severe GU anomaly
Severe oligohydramnios 
Fail to ID kidneys
Fail to ID bladder 
Fail to ID renal arteries
Lethal
4
Q

Potter’s Syndrome

A

Bilateral renal agenesis, oligo,IUGR
Pulmonary hypoplasia
Facial anomalies: flat parrot nose, sm chin, low set ears
Malformed extremities

5
Q

Unilateral agenesis

A

Normal fluid
Adrenal takes on reniform shape & hard to ID
Bladder seen

6
Q

Hydronephrosis

A

Renal pelvis > 5 mm 15-20 wks
>8 mm 20-30wks
>10 mm > 30 wks

Tri 21 has mild dilation

7
Q

UPJ

A

MC cause of congenital hydro due to obstruction
Hydro in kidney only

Assoc: contralateral MCDK, agenesis

8
Q

UVJ

A

Dilated upper pole kidney and pelvis

May be due to ureter duplication with ureterocele

9
Q

PUV

A

MC cause of bladder obstruction
Males
Hydro both kidneys, ureters, keyhole bladder, oligohydramnios

10
Q

Urethral atresia

A

Bilateral hydro, enlg bld, oligohydramnios, cystic renal Dysplasia over time.

11
Q

Prune Belly Syndrome / Eagle Barrett

A

Deficient abd muscle
Cryptorchidism
GU anomalies

Big belly

12
Q

ARPKD

A

Enlg kidneys, spongy, tiny cyst, Echogenic
Bilateral
No bladder
Severe oligo/anhydramnios

13
Q

MCDK

A

MC cystic renal Dysplasia
Unilateral
Contralateral UPJ or agenesis

Multiple cysts varying size
Loss reniform shape & sinus differentiation
Inc echoes between cysts

14
Q

Cystic Renal Dysplasia

A

Occurs with early obstruct of GU
Dec renal function/bilateral
Cyst form over time

15
Q

Meckel Gruber

A

Cystic kidneys, encephalocele, polydactyly

16
Q

Beckwith Wiedeman Syndrome

A

Polyhydramnios
Omphalocele
Macroglossia big tongue
Hemi Hypertrophy