Persistent hypoglossal artery

Case contributed by Dr Roberto Schubert


Repeated drop attacks.

Patient Data

Age: 65
Gender: Female

Persistent left embryonal artery entering the skull through the hypoglossal foramen. Hypoplastic vertebral arteries. Calcified plaque in the left ICA.

Case Discussion

Among the four persistent primitive anastomoses between the carotid and basilar system, the hypoglossal artery is the one most likely to cause clinical symptoms.

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Case information

rID: 14555
Published: 4th Aug 2011
Last edited: 6th Dec 2015
Inclusion in quiz mode: Included

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