User Tools

Site Tools


artery_of_percheron

Artery of Percheron

“artery of Percheron”: a rare anatomic variant 1) in which a solitary arterial trunk arising from the proximal segment of one PCA supplies the paramedian thalami and rostral midbrain bilaterally


The artery of Percheron is a rare variant of the posterior cerebral circulation characterised by a solitary arterial trunk that supplies blood to the paramedian thalami and the rostral midbrain bilaterally.

Gross anatomy

The term is used to refer to a solitary arterial trunk that branches from one of the proximal segments of either posterior cerebral artery (PCA). It supplies blood to the paramedian thalami and the rostral midbrain bilaterally.

History and etymology

The artery of Percheron is named after the French neurologist Gérard Percheron, who described it in 1973 2).

Percheron infarct: bilateral thalamic and mesencephalic infarctions; clinically patients are often obtunded, comatose, or agitated, with associated hemiplegia or hemisensory loss

1) , 2)
Percheron G. The anatomy of the arterial supply of the human thalamus and its use for the interpreta- tion of the thalamic vascular pathology. Z Neurol. 1973; 205:1–13
artery_of_percheron.txt · Last modified: 2020/03/03 16:30 by administrador