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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which is the most common cause of ventriculomegaly in newborn?
assistant
The correct answer is  - Ventriculomegaly is seen in neonates with hydrocephalus. - Obstructive or noncommunicating hydrocephalus develops most commonly in children d/t abnormality of aqueduct of Sylvius or a lesion in the fouh ventricle. - Nonobstructive or communicating hydrocephalus most commonly follows a subarachnoid hemorrhage, which is usually a result of intraventricular hemorrhage in a premature infant.