CASE 29
History: A patient has a routine second-trimester ultrasound scan with a question of a cystic structure in the fetal abdomen.
1. What are potential causes of upper abdominal cystic structures in the fetus? (Choose all that apply.)
D. Esophageal duplication cyst
2. What is a potential cause for not identifying the fetal stomach?
3. If an echogenic structure is identified within the lumen, what could this indicate?
A. Pseudomass
4. At what gestational age can the fetal stomach first be identified?
A. 9 weeks
B. 15 weeks
C. 19 weeks
D. 21 weeks
