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We report a case of extraosseous plasmacytoma with an aggressive course in an<jats:styled-content style=\"fixed-case\">HIV<\/jats:styled-content>\u2010positive individual that occurred solely in the<jats:styled-content style=\"fixed-case\">CNS<\/jats:styled-content>, showing<jats:styled-content style=\"fixed-case\">EBV<\/jats:styled-content>expression by<jats:italic>in situ<\/jats:italic>hybridization, and presenting as an intraparenchymal mass as well as in the<jats:styled-content style=\"fixed-case\">CSF<\/jats:styled-content>.<\/jats:p>","DOI":"10.1111\/j.1440-1789.2012.01352.x","type":"journal-article","created":{"date-parts":[[2012,10,2]],"date-time":"2012-10-02T01:41:15Z","timestamp":1349142075000},"page":"320-323","source":"Crossref","is-referenced-by-count":10,"title":["Extraosseous plasmacytoma with an aggressive course occurring solely in the<scp>CNS<\/scp>"],"prefix":"10.1111","volume":"33","author":[{"given":"William","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Pathology &amp; 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