Carotid body and jugulotympanic paragangliomas

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Painless right upper neck mass.

Patient Data

Age: 60 years
Gender: Female

Large well-circumscribed vividly enhancing right upper cervical soft tissue mass of parapharyngeal location, splaying the internal and external carotid arteries (lyre sign).

Another small jugulotympanic vividly enhancing soft tissue mass is noted, extending medially to the jugular foramen, superiorly to the tympanic cavity and external auditory canal and posterosuperiorly to the mastoid with osteolysis.

Case Discussion

CT appearance of carotid body tumor (also called a chemodectoma or carotid body paraganglioma) with associated jugulotympanic paraganglioma.

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