IMAGES IN EMERGENCY MEDICINE
Beware the pulsatile proptosis
1 Bristol Eye Hospital, Bristol, UK
2 Frenchay Hospital, Bristol, UK
Correspondence to:
Miss M K M Adams, Bristol Eye Hospital, Bristol BS1 2LX, UK; madeleine.adams@virgin.net
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A 26-year-old man walked into the emergency unit with a 1 cm laceration on his right upper eyelid sustained on falling onto a bush while inebriated. A stick had pierced his right upper eyelid and had been removed by his friend. A 4 mm pulsatile proptosis was noted, with no direct damage to the eye. An urgent CT scan of the orbits and brain demonstrated a fracture of the orbital roof with an associated encephalocele (fig 1). Broad spectrum intravenous antibiotics were administered and he was transferred to the neurosurgical unit. He subsequently underwent an exploratory craniotomy with repair of the encephalocele. A 3x1 cm piece of bark was extracted from the brain.
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Figure 1 CT scan of orbits and brain showing fracture of the orbital roof with an associated encephalocele.
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Orbital roof fractures with traumatic encephaloceles in adults are rare.1 A pulsatile proptosis following head or facial
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