{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T05:53:39Z","timestamp":1790142819151,"version":"4.0.1"},"reference-count":25,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"7","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Stroke"],"published-print":{"date-parts":[[2019,7]]},"abstract":"<jats:sec>\n            <jats:title>Background and Purpose\u2014<\/jats:title>\n            <jats:p>Hematoma location within the cerebellum may help identify the dominant small vessel disease type (cerebral amyloid angiopathy [CAA] versus nonamyloid small vessel disease). However, it is unknown whether this holds true for cerebral microbleeds (CMBs) within the cerebellum. We tested the hypothesis that cerebellar CMBs restricted to the cortex and vermis (defined as superficial regions) are associated with clinically diagnosed and pathology-verified CAA.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods\u2014<\/jats:title>\n            <jats:p>Three hundred and seven consecutive spontaneous intracerebral hemorrhage (ICH) patients with a baseline magnetic resonance imaging that included susceptibility-weighted imaging or angiography were enrolled. Using a topographical template, cerebellar CMB patterns were defined as strictly superficial versus deep (cerebellar gray nuclei and white matter) or mixed (both regions involved). Thirty-six ICH patients with cerebellar CMBs and neuropathology data available were evaluated for the presence of CAA.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results\u2014<\/jats:title>\n            <jats:p>\n              One hundred and thirty-five (44%) ICH patients had CMBs in the cerebellum. In the patient group with cerebellar CMBs, 85 (63%) showed a superficial pattern, and 50 (37%) had a deep\/mixed pattern. Strictly superficial cerebellar CMBs were independently associated with a supratentorial pattern of probable CAA-ICH according to the Boston criteria (odds ratio, 1.6; CI, 1.03\u20132.5) and deep\/mixed cerebellar CMBs with a pattern of deep\/mixed ICH (odds ratio, 1.8; CI, 1.2\u20132.7). Pathologically verified CAA was present in 23 of 24 (96%) patients with superficial cerebellar CMBs versus 3 of 12 (25%) patients with deep\/mixed cerebellar CMBs (\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions\u2014<\/jats:title>\n            <jats:p>In ICH patients, cerebellar CMBs are relatively common and often restricted to superficial regions. A strictly superficial distribution of cerebellar CMBs is associated with clinically diagnosed and pathologically verified CAA.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/strokeaha.119.024843","type":"journal-article","created":{"date-parts":[[2019,6,4]],"date-time":"2019-06-04T09:00:49Z","timestamp":1559638849000},"page":"1727-1733","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":61,"title":["Cerebellar Microbleed Distribution Patterns and Cerebral Amyloid Angiopathy"],"prefix":"10.1161","volume":"50","author":[{"given":"Marco","family":"Pasi","sequence":"first","affiliation":[{"name":"Hemorrhagic Stroke Research Program, Department of Neurology, J. Philip Kistler Stroke Research Center (M.P., T.P., A.C., S.D.S., L.X., A.D.W., A.V., M.E.G., S.M.G.), Massachusetts General Hospital, Harvard Medical School, Boston"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thanakit","family":"Pongpitakmetha","sequence":"additional","affiliation":[{"name":"From the Department of Pharmacology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand (T.P.)"},{"name":"Hemorrhagic Stroke Research Program, Department of Neurology, J. Philip Kistler Stroke Research Center (M.P., T.P., A.C., S.D.S., L.X., A.D.W., A.V., M.E.G., S.M.G.), Massachusetts General Hospital, Harvard Medical School, Boston"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andreas","family":"Charidimou","sequence":"additional","affiliation":[{"name":"Hemorrhagic Stroke Research Program, Department of Neurology, J. Philip Kistler Stroke Research Center (M.P., T.P., A.C., S.D.S., L.X., A.D.W., A.V., M.E.G., S.M.G.), Massachusetts General Hospital, Harvard Medical School, Boston"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sanjula D.","family":"Singh","sequence":"additional","affiliation":[{"name":"Hemorrhagic Stroke Research Program, Department of Neurology, J. Philip Kistler Stroke Research Center (M.P., T.P., A.C., S.D.S., L.X., A.D.W., A.V., M.E.G., S.M.G.), Massachusetts General Hospital, Harvard Medical School, Boston"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hsin-Hsi","family":"Tsai","sequence":"additional","affiliation":[{"name":"Department of Neurology, National Taiwan University Hospital Bei-Hu Branch, Taipei, Taiwan (H.-H.T.)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li","family":"Xiong","sequence":"additional","affiliation":[{"name":"Hemorrhagic Stroke Research Program, Department of Neurology, J. Philip Kistler Stroke Research Center (M.P., T.P., A.C., S.D.S., L.X., A.D.W., A.V., M.E.G., S.M.G.), Massachusetts General Hospital, Harvard Medical School, Boston"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregoire","family":"Boulouis","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology, INSERM UMR 894, Centre Hospitalier Sainte-Anne, Universit\u00e9 Paris-Descartes, France (G.B.)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew D.","family":"Warren","sequence":"additional","affiliation":[{"name":"Hemorrhagic Stroke Research Program, Department of Neurology, J. Philip Kistler Stroke Research Center (M.P., T.P., A.C., S.D.S., L.X., A.D.W., A.V., M.E.G., S.M.G.), Massachusetts General Hospital, Harvard Medical School, Boston"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan","family":"Rosand","sequence":"additional","affiliation":[{"name":"Division of Neurocritical Care and Emergency Neurology (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew P.","family":"Frosch","sequence":"additional","affiliation":[{"name":"C.S. Kubik Laboratory for Neuropathology, Massachusetts General Hospital, Harvard Medical School, Boston (M.P.F.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anand","family":"Viswanathan","sequence":"additional","affiliation":[{"name":"Hemorrhagic Stroke Research Program, Department of Neurology, J. 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