Presentation
Painless mass of the left upper neck.
Patient Data
Age: 65 years
Gender: Female
From the case:
Carotid body tumor
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Well-circumscribed vividly enhancing left upper cervical mass in the carotid space, splaying the internal and external carotid arteries (lyre sign).
Case Discussion
CT appearance of carotid body tumor (also called a chemodectoma or carotid body paraganglioma). It is a highly vascular paraganglioma arising from the paraganglion cells of the carotid body and located at the carotid bifurcation with characteristic splaying of the ICA and ECA.
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