CASE 103
History: An asymptomatic patient with a second-trimester twin pregnancy undergoes imaging.
1. What is the diagnosis of one of the twins?
C. Chylothorax
2. What type of twin pregnancy is this?
B. Monoanionic
D. Dichorionic
3. What pathologic abnormality leads to this condition?
A. Abnormal arterial anastomoses in the placenta
B. Abnormal intraplacental arterial-to-arterial and intraplacental venous-to-venous anastomoses
D. Placental arterial aneurysm
4. What is the prognosis for the normal twin?