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Congenital Hydrocephalus — RACP Paediatrics MCQ

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ModerateNeurology & DevelopmentCongenital HydrocephalusRACP Paediatrics

A newborn has >98th centile head, splayed sutures, tense fontanelle. CT shows dilated lateral and 3rd ventricles with normal 4th ventricle. Site of obstruction?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: B — Aqueduct of Sylvius

Dilated lateral/3rd ventricles with normal 4th = aqueduct of Sylvius obstruction.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Hydrocephalus