The pathologic changes illustrated by this specimen is:

1. Probst bundle is usually present.

2. Timing of the critical event that lead to this change happens between 9th to 20th weeks of gestation.

3. Often but not always associated with Aicardi syndrome.

4. This is a case of lobar holoprosencephaly.

A.  1,2, and 3 are true.

B.  1 and 3 are true.

C.  2 and 4 are true.

D.  4 is true.

Answer and Discussion

NeuroTest NeuroLearn NeuroHelp