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Cephalhaematoma — RACP Paediatrics MCQ

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EasyNeonatalCephalhaematomaRACP Paediatrics

A term neonate has a firm, non-fluctuant, well-circumscribed swelling over the right parietal bone that does not cross the midline suture. It appeared several hours after birth and is gradually enlarging. The infant is well. What is the most likely diagnosis?

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Correct answer: D — Cephalhaematoma

A firm swelling limited by suture lines (subperiosteal) that appears hours after birth is a cephalhaematoma. It is caused by rupture of blood vessels between the skull periosteum and bone. It does not cross suture lines (unlike caput or subgaleal haemorrhage). Most resolve spontaneously over weeks to months. Rarely associated with underlying skull fracture.

Reference: RCH Melbourne – 2023 – Birth Injuries CPG; RACP Paediatric Curriculum – Neonatology