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Arteries of the Head and Neck01:26

Arteries of the Head and Neck

The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
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Updated: Jun 25, 2026

Microvascular Decompression: Salient Surgical Principles and Technical Nuances
10:35

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Published on: July 5, 2011

Persistent trigeminal artery causing "double" neurovascular conflict.

Angelo Maurizio Clerici1, Paola Merlo, Felice Rognone

  • 1Neurology Unit, Ospedale di Circolo-University of Insubria, Varese, Italy.

Headache
|March 10, 2009
PubMed
Summary
This summary is machine-generated.

A rare persistent trigeminal artery with aneurysmal dilation caused a "double" neurovascular conflict, leading to a woman's VI nerve palsy and trigeminal neuralgia. This vascular anomaly is a potential cause of painful ophthalmoplegia.

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Published on: July 5, 2011

Minimally Invasive Surgical Decompression of Occipital Nerves
04:06

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Published on: September 13, 2024

Area of Science:

  • Neuroscience
  • Vascular Neurology
  • Neuroimaging

Background:

  • Ophthalmoplegia and trigeminal neuralgia can arise from various causes, including tumors and standard vascular compression.
  • Identifying the precise etiology is crucial for effective treatment and patient outcomes.

Observation:

  • A 73-year-old woman presented with right VI nerve palsy and atypical trigeminal neuralgia.
  • Initial neuroradiological investigations of orbital, retroorbital, and intracranial arteries did not reveal common underlying pathologies.
  • Advanced brain MRI, including T1-weighted fat suppression and T2-weighted thin-section sequences, alongside magnetic resonance angiography, identified a unique neurovascular conflict.

Findings:

  • The advanced imaging revealed a persistent trigeminal artery with aneurysmal dilation.
  • This vascular anomaly created a "double" neurovascular conflict, implicating it as the cause of the patient's symptoms.
  • The findings highlight a rare vascular condition as a potential etiology for painful ophthalmoplegia.

Implications:

  • This case underscores the importance of considering rare vascular anomalies in the differential diagnosis of complex neurological presentations.
  • Persistent trigeminal artery with aneurysmal dilation should be investigated in cases of unexplained VI nerve palsy and trigeminal neuralgia.
  • Further research into the neurovascular mechanisms of such rare conditions may improve diagnostic and therapeutic strategies for painful ophthalmoplegia.