This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Which of the following is not a neuronal migration disorder 
Select and explain. 
A. Anencephaly, B. Lissencephaly, C. Schizencephaly, D. Porencephaly
A: Anencephaly
Answer: A: Anencephaly 
Explanation: Neuronal migration disorders

Lissencephaly ⇒ Image 1
	It has reduction in the number of gyri
Schizencephaly ⇒ Image 2
	Unilateral or bilateral clefts in brain
 Porencephaly ⇒ Image 3
	Presence of cysts within brain.

Anencephaly is not a neuronal migration disorder.