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.

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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
Axial T1
C+ fat sat
Coronal
T1 C+
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Single axial and coronal images demonstrate a lobulated enhancing (confirmed on T1C- not shown) mass in the left temporal bone centred on the jugular foramen. 

dsa
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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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