CASE 59
History: A patient has an ultrasound scan that raises a question of a fetal intracranial abnormality.
1. What should be included in the differential diagnosis for Figure A? (Choose all that apply.)
B. Agenesis of corpus callosum
2. All of the following are typical findings of hydranencephaly except:
A. The cerebral hemispheres are absent.
B. Thalami usually are present and not fused.
D. Ependyma is present in the CSF cavity.
3. Which of the following conditions is not considered to be potentially associated with hydranencephaly?
A. Trisomy 21
C. Intrauterine demise of one twin of a monochorionic pregnancy