L. Martínez Camblor, J.M. Peña Suárez, M. Martínez-Cachero García, E. Santamarta Liébana, J. Rodríguez Castro, A. Saiz Ayala
{"title":"脑microbleeds。SWI序列的效用","authors":"L. Martínez Camblor, J.M. Peña Suárez, M. Martínez-Cachero García, E. Santamarta Liébana, J. Rodríguez Castro, A. Saiz Ayala","doi":"10.1016/j.rxeng.2022.12.006","DOIUrl":null,"url":null,"abstract":"<div><h3>Objectives</h3><p>Define the concept of cerebral microbleeds (CMBs) and describe the most useful MRI sequences for detecting this finding.</p><p>Review the entities that most frequently present with CMBs and that may benefit from the use of susceptibility-weighted imaging (SWI) sequences.</p></div><div><h3>Conclusions</h3><p>SWI is a useful MRI sequence for the detection and characterization of microhemorrhages, venous structures and other sources of susceptibility in imaging.</p><p>SWI is particularly sensitive to local magnetic field inhomogeneities generated by certain substances and is superior to T2* GRE sequences for this assessment.</p><p>CMBs may be seen in different neurologic conditions, in certain infrequent clinical contexts and have a key role as a biomarker status in gliomas<span> (ITTS) and as a marker of inflammatory activity in multiple sclerosis.</span></p></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Cerebral microbleeds. Utility of SWI sequences\",\"authors\":\"L. Martínez Camblor, J.M. Peña Suárez, M. Martínez-Cachero García, E. Santamarta Liébana, J. Rodríguez Castro, A. Saiz Ayala\",\"doi\":\"10.1016/j.rxeng.2022.12.006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Objectives</h3><p>Define the concept of cerebral microbleeds (CMBs) and describe the most useful MRI sequences for detecting this finding.</p><p>Review the entities that most frequently present with CMBs and that may benefit from the use of susceptibility-weighted imaging (SWI) sequences.</p></div><div><h3>Conclusions</h3><p>SWI is a useful MRI sequence for the detection and characterization of microhemorrhages, venous structures and other sources of susceptibility in imaging.</p><p>SWI is particularly sensitive to local magnetic field inhomogeneities generated by certain substances and is superior to T2* GRE sequences for this assessment.</p><p>CMBs may be seen in different neurologic conditions, in certain infrequent clinical contexts and have a key role as a biomarker status in gliomas<span> (ITTS) and as a marker of inflammatory activity in multiple sclerosis.</span></p></div>\",\"PeriodicalId\":94185,\"journal\":{\"name\":\"Radiologia\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Radiologia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2173510723000848\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Radiologia","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2173510723000848","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Define the concept of cerebral microbleeds (CMBs) and describe the most useful MRI sequences for detecting this finding.
Review the entities that most frequently present with CMBs and that may benefit from the use of susceptibility-weighted imaging (SWI) sequences.
Conclusions
SWI is a useful MRI sequence for the detection and characterization of microhemorrhages, venous structures and other sources of susceptibility in imaging.
SWI is particularly sensitive to local magnetic field inhomogeneities generated by certain substances and is superior to T2* GRE sequences for this assessment.
CMBs may be seen in different neurologic conditions, in certain infrequent clinical contexts and have a key role as a biomarker status in gliomas (ITTS) and as a marker of inflammatory activity in multiple sclerosis.
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