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Flashcards in Know This!!!!! Deck (16)
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1
Q

What is the most common congenital facial abnormality?

A

facial clefting

2
Q

A rare pharyngeal teratoma which protrudes from the fetal mouth?

A

Epignathus

3
Q

May occur anywhere on or around the neck and may appear as a solid or cystic mass near the fetal neck?

A

Cervical teratoma

4
Q

Benign developmental anomaly of the lymphatic system in which singel or multiple cystic areas are present around the neck?

A

Cystic hygroma

5
Q

How do you scan the fetal spine properly?

A

Transverse plane, run the spine from the base of the skull to the coccyx

6
Q

Where are Encephaloceles (outpouching of brain) usually found?

A

Midline, more common in the occipital region, and maybe frontal or lateral

7
Q

idiopathic

A

unknown cause

8
Q

“The face predicts the brain”

A

the more severe the facial abnormality, the more severe the intracranial or brain abnormality

9
Q

What is caudal regression syndrome associated with 16% of the time?

A

Maternal diabetes mellitus

84% are sporadic

10
Q

An abnormally decreased amount of amniotic fluid?

A

Oligohydramnios

11
Q

The relationship between the fetal cranial sagittal suture and the central portion of the US beam? should be 90*

A

Angle of asynclitism

12
Q

Formula for estimated date of confinement

A

LMP-3months+7days

13
Q

Unilateral renal agenesis is associated with what?

A

2 vessel cord

14
Q

The most common cause of fetal hydronephrosis?

A

UPJ ureteropelvic junction obstruction

most common in males

15
Q

Obstruction Only in males, with large bladder, and keyhole appearance

A

PUV posterior urethral valves

16
Q

When is the amnionicity and chorionicity best evaluated and with what type of US?

A

First trimester with a transvag