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Table of Contents    
NEUROIMAGES
Year : 2016  |  Volume : 64  |  Issue : 5  |  Page : 1091-1092

Hyperdense lenticulostriate artery sign


1 Department of Neurology, University of Tennessee Health Science Center; Department of Neurosurgery, Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee, USA
2 Department of Neurology, University of Tennessee Health Science Center, Memphis, Tennessee, USA
3 Department of Radiology, University of Tennessee Health Science Center, Memphis, Tennessee, USA

Date of Web Publication12-Sep-2016

Correspondence Address:
Lucas Elijovich
Department of Neurology and Neurosurgery, Semmes-Murphey Neurologic and Spine Institute, 6325 Humphreys Blvd, Memphis, Tennessee, 38120
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.190224

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How to cite this article:
Elijovich L, Goyal N, Choudhri A. Hyperdense lenticulostriate artery sign. Neurol India 2016;64:1091-2

How to cite this URL:
Elijovich L, Goyal N, Choudhri A. Hyperdense lenticulostriate artery sign. Neurol India [serial online] 2016 [cited 2019 Aug 17];64:1091-2. Available from: http://www.neurologyindia.com/text.asp?2016/64/5/1091/190224




A 12-month-old boy presented to the emergency department with a pure motor lacunar syndrome with hemiparesis involving the right side of face and right arm. The weakness was much more in the right arm than in the right leg. There were no physical findings suggestive of cortical involvement. He had no previous medical history. Coronal computerized tomography (CT) of the head [Figure 1] demonstrated a linear hyperdensity (red arrow) measuring approximately 50 Hounsfield units suggestive of an intraluminal thrombus in the expected course of a lateral lenticulostriate artery similar to the well-described hyperdense middle cerebral artery sign.[1] Diffusion weighted magnetic resonance (MR) imaging of the brain [Figure 2] confirmed a wedge-shaped acute infarction involving the body of the caudate and lentiform nucleus (white arrows) corresponding to the arterial territory of the thrombosed lenticulostriate artery. To our knowledge, this is the first report of a hyperdense lenticulostriate artery sign. MR angiography of the head and neck, echocardiography, and hematologic evaluation were normal. The patient was discharged on low dose aspirin 4 days after admission, after he had shown a mild improvement in his right upper and lower limb strength.
Figure 1: CT head without contrast demonstrated a linear hyperdensity (red arrow) measuring approximately 50 Hounsfield units suggestive of intraluminal thrombus in the expected course of a lateral lenticulostriate artery

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Figure 2: MRI brain without contrast diffusion weighted image demonstrated a wedge-shaped acute infarction involving the body of the caudate nucleus and lentiform nucleus (white arrows) corresponding to the arterial territory of the thrombosed lenticulostriate artery

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  References Top

1.
Gacs G, Fox AJ, Barnett HJM, Vinuela F. CT visualization of intracranial arterial thromboembolism. Stroke1983;14:756-62.  Back to cited text no. 1
    


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