Scalp haematoma

Last revised by Henry Knipe on 20 Jan 2024

Scalp haematomas commonly occur either following a perinatal injury at delivery or as part of head trauma.

Pathology

There are three types of haematoma, which are defined by their location within the scalp, in particular, their location as related to the galea aponeurosis and skull periosteum (this mnemonic is helpful when remembering the layers of the scalp). From superficial to deep, the three types are:

  • caput succedaneum: subcutaneous haematoma superficial to the galea aponeurosis, most commonly secondary to vacuum-assisted delivery

  • subgaleal haematoma: haematoma within the potential space between the galea aponeurosis and the skull periosteum

  • cephalohaematoma: subperiosteal and therefore bound by the suture line

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