• D Biswas, A Daudia, N S Jones, and N S McConachie.
• Department of Otolaryngology and Head and Neck Surgery, Queens Medical Centre, University of Nottingham, UK. drdbiswas@hotmail.com
• J Laryngol Otol. 2009 Jun 1;123(6):692-4.

ObjectiveWe report a rare case of iatrogenic pseudoaneurysm of the internal carotid artery secondary to endoscopic sphenoid surgery.MethodThe management of this unusual complication and a review of the literature are presented.ResultsA 65-year-old woman presented with intractable epistaxis four days following endoscopic sphenoid sinus surgery. Initial, conservative measures were unsuccessful in controlling bleeding. The clinical picture of delayed, severe epistaxis after a sphenoid sinus exploration raised the possibility of injury to the internal carotid artery and subsequent formation of a false aneurysm. The patient's pseudoaneurysm was managed, without visualising it, by packing the sphenoid sinus (achieved by palpating 1 cm above the shoulder of the posterior choana) in order to gain control of the haemorrhage, followed by endovascular occlusion.ConclusionAn awareness of this rare complication is essential in order to manage this life-threatening condition efficiently.

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