Subgaleal hematoma

Case contributed by Dima Jaffal
Diagnosis almost certain

Presentation

Sustained head injury during an epileptic attack.

Patient Data

Age: 10 years
Gender: Male
ct
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Axial
non-contrast
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Coronal
non-contrast
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Sagittal
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Axial bone
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Info

A large subgaleal hematoma surrounds most of the head sparing the occipital area, with a thickness of up to 3.5 cm. It is hyperattenuating with areas of hypoattenuation which may indicate ongoing hemorrhage.

There is a displaced left mandibular head fracture and comminuted bilateral nasal bone fractures. The sella has a J-shaped configuration.

Case Discussion

Subgaleal hematoma is bleeding between the periosteum and the galeal aponeurosis. It can cross the sutures and extend into the neck and may be associated with other injuries such as a skull fracture or intracranial hemorrhage.

Blood loss can be substantial as in this case.

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