Clinical Challenge | October 1, 2015 ONLINE FIRST
A Puzzle in the Carotid Space
A 25 year old male presents with a painless, slowly growing neck mass. CT scan shows a large carotid space mass with cystic areas, coarse calcifications, and heterogeneous enhancement, predominantly around the calcific foci. It displaces the common carotid artery and internal jugular vein anterolaterally. What is your diagnosis?