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

What is the most common congenital facial abnormality?

facial clefting

2

A rare pharyngeal teratoma which protrudes from the fetal mouth?

Epignathus

3

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

Cervical teratoma

4

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

Cystic hygroma

5

How do you scan the fetal spine properly?

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

6

Where are Encephaloceles (outpouching of brain) usually found?

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

7

idiopathic

unknown cause

8

"The face predicts the brain"

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

9

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

Maternal diabetes mellitus
(84% are sporadic)

10

An abnormally decreased amount of amniotic fluid?

Oligohydramnios

11

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

Angle of asynclitism

12

Formula for estimated date of confinement

LMP-3months+7days

13

Unilateral renal agenesis is associated with what?

2 vessel cord

14

The most common cause of fetal hydronephrosis?

UPJ ureteropelvic junction obstruction
(most common in males)

15

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

PUV posterior urethral valves

16

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

First trimester with a transvag