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Jugulotympanic paraganglioma

Case contributed by Frank Gaillard
Diagnosis probable

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

A single axial CT bone image through the temporal bones demonstrates a mass arising from the jugular bulb region and extending into the middle ear over the cochlear promontory. The bony margins are irregular and spiculated. 

mri

Single axial and coronal images demonstrate a lobulated enhancing (confirmed on T1C- not shown) mass in the left temporal bone centered on the jugular foramen. 

dsa

Left external carotid artery injection demonstrates a high vascular blush.

Case Discussion

Features on CT, MRI and DSA are consistent are those of a jugulotympanic paraganglioma. Unfortunately, follow-up and/or histological confirmation are not available. 

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