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<meta name="DC.Title" content="Abnormal Brain Diffusivity in Patients with Neuropsychiatric Systemic Lupus Erythematosus" />
<meta name="DC.Date" content="2003-05-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: Neuroimaging techniques have increased our knowledge of the pathogenesis of neuropsychiatric systemic lupus erythematosus (NPSLE) and have been useful in supporting the diagnosis. Nevertheless, new imaging techniques are needed to unravel the exact pathogenesis and to provide diagnostic criteria for NPSLE. In this preliminary study, we investigated whether diffusion-weighted imaging (DWI) can depict cerebral abnormalities in patients with a history of NPSLE, and we assessed whether apparent diffusion coefficient (ADC) histograms in these patients differ from those of healthy control subjects.

METHODS: Eleven female patients with a history of NPSLE (mean age [± SD], 35 years ± 9) and 10 healthy control subjects (eight female, two male; mean age, 37 years ± 16) underwent DWI. DWI and ADC images were assessed by means of visual inspection, and histograms were composed from the ADC images. From these, we derived a variety of parameters that quantitatively reflect the diffusivity of brain parenchyma.

RESULTS: Visual inspection of ADC images and DWIs did not reveal any abnormalities in either patients with NPSLE or control subjects. In contrast, ADC histograms of the NPSLE group were, on average, significantly lower and broader, with a higher mean ADC value.

CONCLUSION: The data suggest an increased general diffusivity in brain parenchyma of patients with NPSLE, probably based on loss of tissue integrity. In addition to increasing our battery of highly wanted diagnostic tools and our understanding of the pathogenesis of NPSLE, the present method seems to be useful in quantifying the disease burden, enabling monitoring in treatment trials and the study of disease progression." />
<meta name="DC.Contributor" content="Gerlof P. Th. Bosma" />
<meta name="DC.Contributor" content="Tom W. J. Huizinga" />
<meta name="DC.Contributor" content="Simon P. Mooijaart" />
<meta name="DC.Contributor" content="Mark A. van Buchem" />
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<meta name="citation_title" content="Abnormal Brain Diffusivity in Patients with Neuropsychiatric Systemic Lupus Erythematosus" />
<meta name="citation_abstract" lang="en" content="&lt;p&gt;&lt;i&gt;BACKGROUND AND PURPOSE:&lt;/i&gt; Neuroimaging techniques have increased our knowledge of the pathogenesis of neuropsychiatric systemic lupus erythematosus (NPSLE) and have been useful in supporting the diagnosis. Nevertheless, new imaging techniques are needed to unravel the exact pathogenesis and to provide diagnostic criteria for NPSLE. In this preliminary study, we investigated whether diffusion-weighted imaging (DWI) can depict cerebral abnormalities in patients with a history of NPSLE, and we assessed whether apparent diffusion coefficient (ADC) histograms in these patients differ from those of healthy control subjects.&lt;/p&gt;&lt;p&gt;&lt;i&gt;METHODS:&lt;/i&gt; Eleven female patients with a history of NPSLE (mean age [± SD], 35 years ± 9) and 10 healthy control subjects (eight female, two male; mean age, 37 years ± 16) underwent DWI. DWI and ADC images were assessed by means of visual inspection, and histograms were composed from the ADC images. From these, we derived a variety of parameters that quantitatively reflect the diffusivity of brain parenchyma.&lt;/p&gt;&lt;p&gt;&lt;i&gt;RESULTS:&lt;/i&gt; Visual inspection of ADC images and DWIs did not reveal any abnormalities in either patients with NPSLE or control subjects. In contrast, ADC histograms of the NPSLE group were, on average, significantly lower and broader, with a higher mean ADC value.&lt;/p&gt;&lt;p&gt;&lt;i&gt;CONCLUSION:&lt;/i&gt; The data suggest an increased general diffusivity in brain parenchyma of patients with NPSLE, probably based on loss of tissue integrity. In addition to increasing our battery of highly wanted diagnostic tools and our understanding of the pathogenesis of NPSLE, the present method seems to be useful in quantifying the disease burden, enabling monitoring in treatment trials and the study of disease progression.&lt;/p&gt;" />
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<meta name="twitter:title" content="Abnormal Brain Diffusivity in Patients with Neuropsychiatric Systemic Lupus Erythematosus" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: Neuroimaging techniques have increased our knowledge of the pathogenesis of neuropsychiatric systemic lupus erythematosus (NPSLE) and have been useful in supporting the diagnosis. Nevertheless, new imaging techniques are needed to unravel the exact pathogenesis and to provide diagnostic criteria for NPSLE. In this preliminary study, we investigated whether diffusion-weighted imaging (DWI) can depict cerebral abnormalities in patients with a history of NPSLE, and we assessed whether apparent diffusion coefficient (ADC) histograms in these patients differ from those of healthy control subjects.

METHODS: Eleven female patients with a history of NPSLE (mean age [± SD], 35 years ± 9) and 10 healthy control subjects (eight female, two male; mean age, 37 years ± 16) underwent DWI. DWI and ADC images were assessed by means of visual inspection, and histograms were composed from the ADC images. From these, we derived a variety of parameters that quantitatively reflect the diffusivity of brain parenchyma.

RESULTS: Visual inspection of ADC images and DWIs did not reveal any abnormalities in either patients with NPSLE or control subjects. In contrast, ADC histograms of the NPSLE group were, on average, significantly lower and broader, with a higher mean ADC value.

CONCLUSION: The data suggest an increased general diffusivity in brain parenchyma of patients with NPSLE, probably based on loss of tissue integrity. In addition to increasing our battery of highly wanted diagnostic tools and our understanding of the pathogenesis of NPSLE, the present method seems to be useful in quantifying the disease burden, enabling monitoring in treatment trials and the study of disease progression." />
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<meta name="og-description" property="og:description" content="BACKGROUND AND PURPOSE: Neuroimaging techniques have increased our knowledge of the pathogenesis of neuropsychiatric systemic lupus erythematosus (NPSLE) and have been useful in supporting the diagnosis. Nevertheless, new imaging techniques are needed to unravel the exact pathogenesis and to provide diagnostic criteria for NPSLE. In this preliminary study, we investigated whether diffusion-weighted imaging (DWI) can depict cerebral abnormalities in patients with a history of NPSLE, and we assessed whether apparent diffusion coefficient (ADC) histograms in these patients differ from those of healthy control subjects.

METHODS: Eleven female patients with a history of NPSLE (mean age [± SD], 35 years ± 9) and 10 healthy control subjects (eight female, two male; mean age, 37 years ± 16) underwent DWI. DWI and ADC images were assessed by means of visual inspection, and histograms were composed from the ADC images. From these, we derived a variety of parameters that quantitatively reflect the diffusivity of brain parenchyma.

RESULTS: Visual inspection of ADC images and DWIs did not reveal any abnormalities in either patients with NPSLE or control subjects. In contrast, ADC histograms of the NPSLE group were, on average, significantly lower and broader, with a higher mean ADC value.

CONCLUSION: The data suggest an increased general diffusivity in brain parenchyma of patients with NPSLE, probably based on loss of tissue integrity. In addition to increasing our battery of highly wanted diagnostic tools and our understanding of the pathogenesis of NPSLE, the present method seems to be useful in quantifying the disease burden, enabling monitoring in treatment trials and the study of disease progression." />
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      <div class="highwire-cite-overline"><span  class="highwire-cite-metadata-article-type highwire-cite-metadata">Research Article</span><span class="separator-pipe"></span><span  class="highwire-cite-metadata-art-cat highwire-cite-metadata"><span class="wrapper">BRAIN</span></span></div>
  
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      <h1 class="highwire-cite-title" id="page-title">Abnormal Brain Diffusivity in Patients with Neuropsychiatric Systemic Lupus Erythematosus</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">Gerlof P. Th. Bosma</span>, <span class="highwire-citation-author" data-delta="1">Tom W. J. Huizinga</span>, <span class="highwire-citation-author" data-delta="2">Simon P. Mooijaart</span> and <span class="highwire-citation-author" data-delta="3">Mark A. van Buchem</span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">May 2003,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">24 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(5) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">850-854; </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-10844--6834202431" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">Gerlof P. Th. Bosma </div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Gerlof%2BP.%2BTh.%2BBosma%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Bosma%20GP&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AGerlof%2BP.%2BTh.%2BBosma%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-1"><div class="author-tooltip-name">Tom W. J. Huizinga </div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Tom%2BW.%2BJ.%2BHuizinga%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Huizinga%20TW&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3ATom%2BW.%2BJ.%2BHuizinga%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-2"><div class="author-tooltip-name">Simon P. Mooijaart </div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Simon%2BP.%2BMooijaart%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Mooijaart%20SP&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3ASimon%2BP.%2BMooijaart%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-3"><div class="author-tooltip-name">Mark A. van Buchem </div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Mark%2BA.%2Bvan%2BBuchem%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=van%20Buchem%20MA&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AMark%2BA.%2Bvan%2BBuchem%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div></div></div>  </div>

  
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