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Imaging the artery of Percheron: a pictorial review of associated pathology with important mimics of bithalamic abnormalities.
Neuroradiology
March 2025
East Sussex Healthcare NHS Trust, Saint Leonards-on-Sea, UK.
Background And Purpose: The Artery of Percheron (AoP) supplying bilateral paramedian thalami and rostral midbrain is a rare anatomical variant. In the event of occlusion of AoP, a characteristic pattern of ischaemia is seen, presenting as bithalamic signal abnormality on magnetic resonance imaging (MRI). However, this particular imaging finding has significant radiological and clinical overlap with other conditions, necessitating a comprehensive understanding of the imaging characteristics and potential differential diagnosis.
View Article and Find Full Text PDFNavigating Through the Diagnostic Challenges Involved in Artery of Percheron Infarction in a Young Stroke Patient.
Cureus
February 2025
General Practice, Royal Cornwall Hospital, Cornwall, GBR.
Artery of Percheron (AOP) infarction is a rare but clinically important cause of unilateral or bilateral thalamic infarction, commonly with a heterogeneous presentation and nonspecific neurological symptoms. In contrast to unilateral thalamic strokes, AOP infarction can present a unique hurdle for diagnostic considerations owing to its atypical clinical manifestation and the lack of widespread knowledge of this anatomic variant among clinicians. AOP infarction is associated with potentially better outcomes if it is diagnosed early, as timely and appropriate interventions can greatly affect the outcome.
View Article and Find Full Text PDFWhen Time Matters: Diagnosis of Percheron Stroke.
Cureus
January 2025
Department of Neurology, Hassan II University Teaching Hospital, Fez, MAR.
The artery of Percheron (AOP) is a rare vascular variant that can cause bilateral paramedian thalamic infarctions when occluded. Due to its atypical clinical presentation and subtle imaging findings, this condition often leads to significant diagnostic challenges. The timely recognition of this condition is critical to implementing appropriate management strategies and improving patient outcomes.
View Article and Find Full Text PDFThrombectomy for Artery of Percheron Occlusion.
Stroke
February 2025
Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China (H.L., J.Z.).
A Unique Case of Internuclear Ophthalmoplegia and Artery of Percheron Infarct.
Cureus
November 2024
Neurology, Dalhousie University, Halifax, CAN.
This case report discusses a unique presentation of an artery of Percheron (AOP) infarct resulting in rapidly resolving internuclear ophthalmoplegia (INO) without classical signs. This is the case of a 70-year-old male patient who presented to a community Emergency Department following acute code stroke activation. Physical exam and imaging studies including non-contrast CT, CT angiography, CT perfusion, and MRI were performed.
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