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We report here the case of a patient with late development of CNS-PTLD after kidney-pancreas transplantation who achieved complete remission after surgical resection and four cycles of IT rituximab and we provide a review of the literature for this treatment option.<\/jats:p>","DOI":"10.1136\/bcr-2020-238236","type":"journal-article","created":{"date-parts":[[2021,8,5]],"date-time":"2021-08-05T12:25:19Z","timestamp":1628166319000},"page":"e238236","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Successful treatment of central nervous system lymphoproliferative disorder in a kidney-pancreas and stem cell transplanted patient using intrathecal rituximab"],"prefix":"10.1136","volume":"14","author":[{"given":"Maria","family":"Anastasiou","sequence":"first","affiliation":[{"name":"Oncology, Division Hematology, Hopitaux Universitaires de Geneve, Geneva, 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