𝔖 Bobbio Scriptorium
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Termination of the inferior petrosal sinus: An anatomical variant

✍ Scribed by Philippe Gailloud; Jean H.D. Fasel; Michel Muster; François Desarzens; Daniel A. Ruefenacht

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
190 KB
Volume
10
Category
Article
ISSN
0897-3806

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✦ Synopsis

Unusual caudal terminations of the inferior petrosal sinus (IPS) characterized by an extracranial extension joining the internal jugular vein up to 40 mm below the external skull base are reported. This variation was observed bilaterally on an anatomical specimen and unilaterally on four patients during diagnostic cerebral angiography. It may be considered an accessory internal jugular vein and, if present, may allow for an alternate endovascular access to the IPS.

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