J Neurol Surg A Cent Eur Neurosurg 2024; 85(01): 100-104
DOI: 10.1055/s-0042-1748773
Case Report

The Clinical Relevance of the Thalamogeniculate Arteries in Endoscopic Endonasal Surgery for Giant Pituitary Adenomas in the Interpeduncular Fossa

Martin Pilonieta
1   CALDAS, Santa Sofia de Caldas Academic State Hospital, Manizales, Colombia
Paula Pérez
1   CALDAS, Santa Sofia de Caldas Academic State Hospital, Manizales, Colombia
2   Department of Neurosurgery, The Ohio State University, Columbus, Ohio, United States
› Author Affiliations


Bilateral thalamic stroke is usually due to compromised artery of Percheron, an anatomical variation of the vascular supply of the thalamus. The stroke in this area is very uncommon, and is mainly due to top of the basilar syndrome. Other causes are extremely rare. We describe the case of a patient with a pituitary adenoma who underwent surgery and later presented with a bilateral thalamic infarct, suggesting compromise of the artery of Percheron. This would be the third case published in the literature about this complication. We present a literature review about the vascular supply of the thalamus, the artery of Percheron, and its involvement in pituitary surgery.

Publication History

Received: 07 June 2021

Accepted: 07 March 2022

Article published online:
27 June 2022

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