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Internal carotid artery in zone IIb and its implications: A case report

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March 25, 2013
by Drew P. Plonk, MD; J. Dale Browne, MD, FACS


The potential for aberrant anatomy in the neck should be respected in order to avoid unexpected and potentially devastating injury during surgical and other procedures. Anatomic variations involving the internal carotid artery are believed to exist in as much as 6% of the population. We describe a case of a tortuous internal carotid artery that was found in zone IIb during a neck dissection in a 60-year-old man, and we discuss the implications of this anomaly.

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