{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T14:23:28Z","timestamp":1791296608934,"version":"4.1.0"},"reference-count":44,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Stroke"],"published-print":{"date-parts":[[2001,3]]},"abstract":"<jats:p>\n            <jats:italic>Background and Purpose<\/jats:italic>\n            \u2014We obtained magnetization transfer imaging (MTI) scans from individuals with cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) (1) to investigate the presence, extent, and nature of pathology in white and gray matter outside proton density (PD)-visible lesions; (2) to quantify the degree of tissue damage occurring in lesions seen on PD-weighted scans; and (3) to correlate MTI-derived measures of disease burden with age, physical disability, and cognitive performance.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Methods<\/jats:italic>\n            \u2014Dual-echo, T1-weighted, and MTI scans of the brain were obtained from 33 individuals with CADASIL and 12 control subjects. Magnetization transfer ratio (MTR) values from PD-visible lesions, normal-appearing white matter (NAWM), and normal-appearing gray matter (NAGM) were measured. Histograms of MTR from the whole brain and normal-appearing brain tissue were also produced.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Results<\/jats:italic>\n            \u2014All MTR values from NAWM and NAGM regions studied were significantly lower for individuals with CADASIL than for control subjects, with the exception of those obtained from the NAWM of the infratentorial structures and the NAGM of the occipital cortex. The average MTR from PD lesions in individuals with CADASIL was significantly lower than that from all the NAWM regions. Average MTR and peak location from whole-brain and normal-appearing brain tissue histograms were significantly lower for individuals with CADASIL than for control subjects. MTR values from NAWM were strongly correlated with the extent of macroscopic lesions and their average MTR. Apart from NAGM, average MTR from all other tissues studied significantly decreased with increasing age, physical disability, and cognitive impairment.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Conclusions<\/jats:italic>\n            \u2014PD lesions of individuals with CADASIL have variable degrees of tissue damage. Brain tissue outside PD abnormalities is also damaged. This study suggests that the extent and the severity of the brain tissue damage are critical factors in determining clinical status in CADASIL.\n          <\/jats:p>","DOI":"10.1161\/01.str.32.3.643","type":"journal-article","created":{"date-parts":[[2011,6,17]],"date-time":"2011-06-17T20:10:52Z","timestamp":1308341452000},"page":"643-648","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":45,"title":["Correlations Between Clinical Findings and Magnetization Transfer Imaging Metrics of Tissue Damage in Individuals With Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy"],"prefix":"10.1161","volume":"32","author":[{"given":"G.","family":"Iannucci","sequence":"first","affiliation":[{"name":"From the Neuroimaging Research Unit (G.I., M.R., L.G., M.F.), Department of Neuroscience, Scientific Institute Ospedale San Raffaele, Milan, Italy, and the Departments of Neurology (M.D., T.G.), Radiology (R.B.), and Neuroradiology (T.A.Y.), Klinikum Grosshadern, Ludwig-Maximilians-University, Munich, Germany."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Dichgans","sequence":"additional","affiliation":[{"name":"From the Neuroimaging Research Unit (G.I., M.R., L.G., M.F.), Department of Neuroscience, Scientific Institute Ospedale San Raffaele, Milan, Italy, and the Departments of Neurology (M.D., T.G.), Radiology (R.B.), and Neuroradiology (T.A.Y.), Klinikum Grosshadern, Ludwig-Maximilians-University, Munich, Germany."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Rovaris","sequence":"additional","affiliation":[{"name":"From the Neuroimaging Research Unit (G.I., M.R., L.G., M.F.), Department of Neuroscience, Scientific Institute Ospedale San Raffaele, Milan, Italy, and the Departments of Neurology (M.D., T.G.), Radiology (R.B.), and Neuroradiology (T.A.Y.), Klinikum Grosshadern, Ludwig-Maximilians-University, Munich, 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