English (United Kingdom)Español (spanish formal Internacional)

MC Facebook


Home Criteria Neurology Diagnostic Criteria of Infarction in CT Imaging of the Brain in Acute Stroke


The content of this website is provided for general informational purposes only and is not a substitute professional medical advice

Diagnostic Criteria of Infarction in CT Imaging of the Brain in Acute Stroke Print E-mail
User Rating: / 3
Written by G. Firman MD   
Sunday, 08 March 2009 05:13


Infarction: focal hypodense area, in cortical, subcortical, or deep gray or white matter, following vascular territory, or watershed distribution. Early subtle findings include obscuration of gray/white matter contrast and effacement of sulci, or "insular ribbon."


Hemorrhage: hyperdense image in white or deep gray matter, with or without involvement of cortical surface (40 to 90 HU). Petechial refers to scattered hyperdense points, coalescing to form irregularly hyperdense areas with hypodense interruptions. Hematoma refers to a solid, homogeneously hyperdense image.


Hyperdense image in major intracranial artery: suggestive of vascular embolic material.


Calcification: hyperdense image within or attached to vessel wall (>120 HU).


Incidental: silent infarct, subdural collection, tumor, giant aneurysm, arteriovenous malformation.





  1. Culebras A, Kase CS, Masdeu JC, Fox AJ, Bryan RN, Grossman CB, Lee DH, Adams HP, Thies W. Practice guidelines for the use of imaging in transient ischemic attacks and acute stroke. A report of the Stroke Council, American Heart Association. Stroke. 1997 Jul;28(7):1480-97. [Medline]



Created: April 19, 2005

Related news items:
Newer news items:
Older news items:

Last Updated on Thursday, 28 August 2014 07:10

Free Registry



HONcode accreditation seal. We comply with the HONcode standard for health trust worthy information:
verify here

Site Last Modified

Wednesday 17 January 2018, 14:29


Copyright © 2005-2018. All Rights Reserved