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Cavernous sinus embolisation prior to removal of penetrating foreign body in a 6-year-old child. Transorbital penetrating foreign bodies are extremely rare in children and may penetrate the cavernous sinus or the underlying internal carotid artery. Parent vessel sacrifice and temporary balloon occlusion are feasible options for managing arterial injury during removal of the foreign body. Even in the absence of arterial injury, the ophthalmologist may encounter significant bleeding from the cavernous sinus deep in their operative field that is difficult to control. We present a case of a 6-year-old child with a stick penetrating the left superior orbit to enter the cavernous sinus but sparing the internal carotid artery. We describe the first reported experience of prophylactic coil embolisation of the cavernous sinus to minimise intraoperative bleeding during transorbital removal of a foreign body with an excellent clinical outcome.