Penny Ch. 25 Fetal Face and Neck
The thickness of the nuchal fold in the second trimester should not exceed:
6 mm
The fetal lip typically closes by:
8 weeks
A group of abnormalities associated with the entrapment of fetal parts and fetal amputations is:
Amniotic band syndrome
A cystic hygroma is the result of:
An abnormal accumulation of lymphatic fluid within the soft tissue
The absence of the eyes is termed:
Anophthalmia
The most common cause of hypertelorism is:
Anterior cephalocele
Macroglossia is most commonly found with:
Beckwith-Wiedemann syndrome
The growth disorder syndrome synonymous with organ, skull, and tongue, enlargement is:
Beckwith-Wiedemann syndrome
The nuchal fold measurement is typically obtained:
Between 15 weeks and 21 weeks
The measurement obtained between the lateral walls of the orbits is referred to as the:
Binocular diameter
Which of the following is a benign congenital neck cysts found most often near the angle of the mandible?
Branchial cleft cyst
At what level is the nuchal fold measurement obtained?
Cavum septum pellucidum
Close-set eye and a nose with a single nostril is termed:
Cebocephaly
An abnormal division in the lip is referred to as:
Cleft lip
Fusion of the orbit is termed:
Cyclopia
A large, mostly cystic mass containing a thick, midline septation is noted in the cervical spine region of a fetus. This most likely represents a(n):
Cystic hygroma
All of the following are sonographic features of holoprosencephaly except: -Cystic hygroma -Proboscis with cyclopia -Fused thalamus -Monoventricle
Cystic hygroma
Nuchal thickening is the most commonly associated with:
Down syndrome
There is a definite link between microtia and what syndrome?
Down syndrome
Which one of the following is also referred to as Trisomy 21?
Down syndrome
An oral teratoma is referred to as:
Epignathus
Which of the following conditions does not affect the orbits?
Epignathus
The condition in which there is no nose and a proboscis separating two close-set orbits is:
Ethmocephaly
The isolated enlargement of the fetal thryoid id referred to as:
Fetal goiter
Facial anomalies, when discovered, should prompt the sonographer to analyze the brain closely for signs of:
Holoprosencephaly
An increase distance between the orbits is referred to as:
Hypertelorism
A reduction in the distance between the orbits is referred to as:
Hypotelorism
Which one of the following would be most difficult to detect sonogrpahically?
Isolated cleft palate
An unusual protuberance of the tongue is termed:
Macroglossia
A small mandible is termed:
Micrognathia
What is the term for a smaller that normal ear?
Microtia
Which of the following may also be referred to as Turner syndrome?
Monosomy X
The most common location of a cystic hygroma is within the:
Neck
The optimal scan plane to visualize micrognathia is:
Sagittal
The most frequently encountered chromosomal abnormality associated with holoprosencephaly is:
Trisomy 13
Which of the following is also referred to as Patau syndrome?
Trisomy 13
Micrognathia is a condition found in:
Trisomy 18
An absent or hypoplastic nasal bone is most likely associated with:
Trisomy 21
An increased nuchal fold is most likely:
Trisomy 21
Which of following would most likely involve the development of a cystic hygroma?
Turner syndrome