Özet:

A 67-year-old man who underwent left carotid endarterectomy five years ago admitted to our clinicwith complaint of dizziness. Doppler ultrasonography and intraarterial digital substracted angiographyrevealed 90 % stenosis in the right internal carotid artery. During right carotid endarterectomyoperation, following exposure of common, external and internal carotid arteries, nervus hypoglossuswas found to be placed lower than its expected anatomic localisation, crossing the carotid bulb. Anarteriotomy in the common carotid artery was done by preserving atypically placed nervushypoglossus. When arteriotomy was extended distally, a heavy aterosclerotic plaque was found toextend to both external and internal carotid arteries. The arteriotomy and endarterectomy planes thatwere started in common carotid arteries were extended to both external and internal carotid arteries. AY-shaped, thin wall polytetrafluoroethylene patch was prepared. Proximal end of the patch wassutured to common carotid artery and the patchplasty was completed by suturing the distal ends of thepatch to external and internal carotid arteries. The patient remains in good health in his postoperativetenth month.

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