88

CASE 88



image



image



image



image


History: A patient with advanced maternal age undergoes a 20-week ultrasound examination.



1. Which chromosomal abnormalities should be included in the differential diagnosis for Figure A? (Choose all that apply.)


A. Normal


B. Trisomy 18


C. Trisomy 21


D. Turner syndrome (45, XO karyotype)


E. Trisomy 13


2. Which of the following statements regarding echogenic bowel is true?


A. Echogenic bowel should be as bright as bone.


B. Ultrasound assessment of echogenic bowel does not depend on technical factors.


C. Echogenic bowel is a highly specific marker for Down syndrome.


D. Echogenic bowel is a highly sensitive marker for Down syndrome.


3. Which of the following statements regarding duodenal atresia is true?


A. Duodenal atresia is not associated with trisomy 21.


B. Duodenal atresia is diagnosed prenatally by the presence of the double bubble sign in the fetus.


C. Continuity between the gastric and duodenal bubbles does not have to be shown to exclude other etiologies of cystic abdominal masses.


D. Mortality is higher in cases of duodenal atresia that are diagnosed postnatally than in those diagnosed prenatally.


4. Sandal gap deformity refers to which of the following?


A. Convex plantar surface of the foot with posterior bulging of the calcaneus

Related posts:

11 33 44 69 80 85

Stay updated, free articles. Join our Telegram channel
Tags:
Jan 10, 2016 | Posted by in OBSTETRICS & GYNAECOLOGY IMAGING | Comments Off on 88

Full access? Get Clinical Tree
Get Clinical Tree app for offline access