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Dense mca sign

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https://www.readbyqxmd.com/read/16059679/multidetector-computed-tomography-of-the-head-in-acute-stroke-predictive-value-of-different-patterns-of-the-dense-artery-sign-revealed-by-maximum-intensity-projection-reformations-for-location-and-extent-of-the-infarcted-area
#1
Davide Gadda, Letizia Vannucchi, Franco Niccolai, Anna T Neri, Luca Carmignani, Patrizio Pacini
Maximum intensity projections reconstructions from 2.5 mm unenhanced multidetector computed tomography axial slices were obtained from 49 patients within the first 6 h of anterior-circulation cerebral strokes to identify different patterns of the dense artery sign and their prognostic implications for location and extent of the infarcted areas. The dense artery sign was found in 67.3% of cases. Increased density of the whole M1 segment with extension to M2 of the middle cerebral artery was associated with a wider extension of cerebral infarcts in comparison to M1 segment alone or distal M1 and M2...
December 2005: European Radiology
https://www.readbyqxmd.com/read/11070370/what-constitutes-a-true-hyperdense-middle-cerebral-artery-sign
#2
C K Koo, E Teasdale, K W Muir
OBJECTIVES: The 'hyperdense MCA sign' refers to an appearance of increased attenuation of the proximal middle cerebral artery (MCA) that is often associated with thrombosis of the M1 MCA segment and may be the only diagnostic feature on computed tomography early after ischaemic stroke. False positives are recognized, and correct recognition of this sign has, therefore, assumed greater importance with the advent of thrombolytic therapy for stroke. We sought to define objective criteria for hyperdensity of the MCA...
November 2000: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/9865804/acute-middle-cerebral-artery-thrombosis-demonstrated-by-cranial-computed-tomography-the-dense-mca-sign
#3
R Bakshi, J C Mazziotta
No abstract text is available yet for this article.
December 1998: Archives of Neurology
https://www.readbyqxmd.com/read/8467850/increased-density-in-the-middle-cerebral-artery-by-nonenhanced-computed-tomography-prognostic-value-in-acute-cerebral-infarction
#4
M Zorzon, G Masè, F Pozzi-Mucelli, E Biasutti, L Antonutti, L Iona, G Cazzato
In order to consider the prognostic value of hyperdensity of the middle cerebral artery (MCA), we studied retrospectively the medical records of 80 consecutive patients with the diagnosis of ischemic stroke who underwent a non-enhanced computed tomography no longer than 24 h after the onset of the symptoms. To determine the mortality and disability, a follow-up of 30 days was obtained. Mortality does not differ significantly in acute ischemic stroke patients with and without increased density of MCA. When disability, calculated with the Rankin scale, is considered, the two groups are different since patients with hyperdensity of the middle cerebral artery (MCA) have a significantly worse outcome...
1993: European Neurology
https://www.readbyqxmd.com/read/3694213/dense-middle-cerebral-artery-sign-an-indicator-of-poor-outcome-in-middle-cerebral-artery-area-infarction
#5
J Launes, L Ketonen
Thirteen patients with a dense appearance of the horizontal part of the middle cerebral artery (MCA) "dense middle cerebral artery sign" in CT scans taken within 24 hours after onset of ischaemic stroke had considerably poorer prognosis than controls with stroke, but without the sign. A hyperdense appearance of the MCA is known to be associated with thromboembolism, but dense middle cerebral artery sign is also an early warning of a large infarction, brain oedema and poor prognosis in infarction in the MCA area...
November 1987: Journal of Neurology, Neurosurgery, and Psychiatry
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