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- Publisher Website: 10.1159/000068824
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- PMID: 12646777
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Article: Visualization of ischaemic penumbra using a computed tomography perfusion method
Title | Visualization of ischaemic penumbra using a computed tomography perfusion method |
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Authors | |
Keywords | Cerebral blood flow Cerebral ischaemia Computed tomography Diffusion-weighted magnetic resonance imaging Perfusion magnetic resonance imaging |
Issue Date | 2003 |
Publisher | S Karger AG. The Journal's web site is located at http://www.karger.com/CED |
Citation | Cerebrovascular Diseases, 2003, v. 15 n. 3, p. 182-187 How to Cite? |
Abstract | A computed tomography (CT) perfusion imaging and a diffusion/perfusion magnetic resonance imaging (MRI) were performed in a 51-year-old man at 15 and 15.5 h of onset of left middle cerebral artery infarction, respectively. The established infarct, as revealed by the diffusion-weighted MRI, had low values of cerebral blood flow (CBF) and cerebral blood volume (CBV) on the CT perfusion study. The ischaemic penumbra, as reflected by the perfusion-diffusion mismatch on MRI, had reduced CBF, prolonged mean transit time (MTT) and compensated CBV. Spontaneous bleeding occurred in the medial part of the left lentiform nucleus, immediately following decompressive craniectomy. CT measurements of CBF, CBV and MTT may visualize the ischaemic penumbra and explain the site of bleeding after surgical decompression. Copyright © 2003 S. Karger AG, Basel. |
Persistent Identifier | http://hdl.handle.net/10722/77121 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.700 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Cheung, RTF | en_HK |
dc.contributor.author | Cheng, PW | en_HK |
dc.contributor.author | Lui, WM | en_HK |
dc.contributor.author | Leung, GKT | en_HK |
dc.contributor.author | Lee, TY | en_HK |
dc.date.accessioned | 2010-09-06T07:28:29Z | - |
dc.date.available | 2010-09-06T07:28:29Z | - |
dc.date.issued | 2003 | en_HK |
dc.identifier.citation | Cerebrovascular Diseases, 2003, v. 15 n. 3, p. 182-187 | en_HK |
dc.identifier.issn | 1015-9770 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/77121 | - |
dc.description.abstract | A computed tomography (CT) perfusion imaging and a diffusion/perfusion magnetic resonance imaging (MRI) were performed in a 51-year-old man at 15 and 15.5 h of onset of left middle cerebral artery infarction, respectively. The established infarct, as revealed by the diffusion-weighted MRI, had low values of cerebral blood flow (CBF) and cerebral blood volume (CBV) on the CT perfusion study. The ischaemic penumbra, as reflected by the perfusion-diffusion mismatch on MRI, had reduced CBF, prolonged mean transit time (MTT) and compensated CBV. Spontaneous bleeding occurred in the medial part of the left lentiform nucleus, immediately following decompressive craniectomy. CT measurements of CBF, CBV and MTT may visualize the ischaemic penumbra and explain the site of bleeding after surgical decompression. Copyright © 2003 S. Karger AG, Basel. | en_HK |
dc.language | eng | en_HK |
dc.publisher | S Karger AG. The Journal's web site is located at http://www.karger.com/CED | en_HK |
dc.relation.ispartof | Cerebrovascular Diseases | en_HK |
dc.rights | Cerebrovascular Diseases. Copyright © S Karger AG. | en_HK |
dc.subject | Cerebral blood flow | - |
dc.subject | Cerebral ischaemia | - |
dc.subject | Computed tomography | - |
dc.subject | Diffusion-weighted magnetic resonance imaging | - |
dc.subject | Perfusion magnetic resonance imaging | - |
dc.subject.mesh | Brain Ischemia - pathology - radiography - surgery | en_HK |
dc.subject.mesh | Cerebrovascular Circulation | en_HK |
dc.subject.mesh | Craniotomy | en_HK |
dc.subject.mesh | Diffusion | en_HK |
dc.subject.mesh | Humans | en_HK |
dc.subject.mesh | Infarction, Middle Cerebral Artery - pathology - radiography | en_HK |
dc.subject.mesh | Magnetic Resonance Imaging | en_HK |
dc.subject.mesh | Male | en_HK |
dc.subject.mesh | Middle Aged | en_HK |
dc.subject.mesh | Neurosurgical Procedures | en_HK |
dc.subject.mesh | Perfusion | en_HK |
dc.subject.mesh | Tomography, X-Ray Computed - methods | en_HK |
dc.title | Visualization of ischaemic penumbra using a computed tomography perfusion method | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1015-9770&volume=15&spage=182&epage=187&date=2003&atitle=Visualization+of+ischaemic+penumbra+using+a+computed+tomography+perfusion+method | en_HK |
dc.identifier.email | Cheung, RTF:rtcheung@hku.hk | en_HK |
dc.identifier.authority | Cheung, RTF=rp00434 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1159/000068824 | en_HK |
dc.identifier.pmid | 12646777 | - |
dc.identifier.scopus | eid_2-s2.0-0037229629 | en_HK |
dc.identifier.hkuros | 87548 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0037229629&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 15 | en_HK |
dc.identifier.issue | 3 | en_HK |
dc.identifier.spage | 182 | en_HK |
dc.identifier.epage | 187 | en_HK |
dc.identifier.isi | WOS:000182013700005 | - |
dc.publisher.place | Switzerland | en_HK |
dc.identifier.scopusauthorid | Cheung, RTF=7202397498 | en_HK |
dc.identifier.scopusauthorid | Cheng, PW=7401618753 | en_HK |
dc.identifier.scopusauthorid | Lui, WM=7101851125 | en_HK |
dc.identifier.scopusauthorid | Leung, GKT=7007159838 | en_HK |
dc.identifier.scopusauthorid | Lee, TY=8339897000 | en_HK |
dc.identifier.issnl | 1015-9770 | - |