A new sign-Hyperdense Posterior Cerebral Artery Sign as marker of ischemia
The Hyperdense Posterior Cerebral Artery Sign. A Computed Tomography Marker of Acute Ischemia in the Posterior Cerebral Artery Territory.
In the anterior circulation, the hyperdense middle cerebral artery (MCA) sign is a well-established marker for early ischemia. Similarly, the hyperdense basilar artery sign or the MCA "dot" sign may be a diagnostic clue for basilar artery or distal MCA branch thrombosis.
In this article in Stroke 2006 Jan 5; [Epub ahead of print] authors (Kring T et al) have found that an Hyperdense posterior cerebral artery was detected in more than one third of all patients with PCA ischemia, suiting the incidence of the hyperdense MCA. Based on their results, this sign may not only be helpful in the early diagnosis of PCA infarction but might also act as a prognostic marker in acute PCA territory ischemic stroke.
A new sign-Hyperdense Posterior Cerebral Artery Sign as marker of ischemia
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Reviewed by Sumer Sethi
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Wednesday, January 18, 2006
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Sumer Sethi
Unique blend of academic excellence and entrepreneurship, heading leading firms in India- Teleradiology Providers, pioneering company providing teleradiology services and DAMS (Delhi Academy of Medical Sciences) Premier test preparation institute in India for MD/MS/MCI preparation. He has also been an invited faculty member at various conferences, including Teleradiology in IRIA 2008 and 2011, Hospital Build Middle East, Congress of the Brain Tumor Radiology in Neuro-oncology Society. Dr. Sethi is Editor-in-Chief of Internet Journal of Radiology. He has a keen interest in Web 2.0 technologies and in maintaining his famous radiology blog, which has been featured in multiple international journals.
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