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Updated: Jul 16, 2026
08:22
Permanent Cerebral Vessel Occlusion via Double Ligature and Transection
Published on: July 21, 2013
[Sign of hyperdense and hyperintense anterior cerebral artery]
P del Saz-Saucedo1, J F Maestre-Moreno, K A Vatz
1Servicio de Neurología, Hospital Universitario Virgen de las Nieves, Granada, Spain. pablodelsaz@terra.es
Neurologia (Barcelona, Spain)
|March 17, 2007
Summary
A hyperdense anterior cerebral artery (ACA) on CT scans and hyperintense ACA on MRI can indicate a recent stroke. This early imaging sign may aid diagnosis in ambiguous acute stroke cases.
Area of Science:
- Neurology
- Radiology
Background:
- Hyperdense signs in cerebral arteries on CT or MRI can indicate acute vessel occlusion.
- These imaging findings aid in stroke localization and prognosis, especially in unclear clinical scenarios.
Observation:
- A case report details a 74-year-old male with acute onset neurological deficits.
- Imaging revealed a hyperdense and hyperintense A2 segment of the anterior cerebral artery (ACA).
- MR-angiography confirmed occlusion of the ACA.
Findings:
- The hyperdense/hyperintense ACA sign was observed in a patient with acute infarct in the ACA territory.
- This represents the first reported case of this sign in the ACA.
Implications:
- A hyperdense and hyperintense ACA may serve as an early diagnostic marker for acute stroke in the ACA territory.
- This sign is particularly valuable in clinically ambiguous stroke presentations.
- The prognostic significance of this finding in the ACA requires further investigation.
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