{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T17:26:26Z","timestamp":1787765186866,"version":"build-2784847793"},"reference-count":16,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Extranodal nasal-type natural killer (NK)\/T-cell lymphoma is a type of non-Hodgkin lymphoma. Neoplastic lymphocytes are positive for CD4, CD56, and CD20, a specific B-cell marker. CD20 positive NK\/T-cell lymphoma is rare, with only nine reported cases. This paper reports a case of nasal-type NK\/T-cell lymphoma with CD20 positivity in a 47-year-old woman. The patient presented with bilateral nasal congestion and bloody nasal cavity secretions for 2 months. Computed tomography revealed thickening of the nasal mucosa and posterior wall of the nasopharyngeal crest, and the left and right cervical lymph nodes were enlarged. On histopathology, the lesion was composed of medium-sized atypical lymphoid cells and vascular infringement. Immunohistochemical staining showed that the tumor cells were positive for CD20, CD3, CD56, and Epstein\u2013Barr virus (EBV)-encoded RNA\n                    <jats:italic toggle=\"yes\">in situ<\/jats:italic>\n                    hybridization. The patient was treated with radiotherapy for 2 months and is currently well.\n                  <\/jats:p>","DOI":"10.4103\/ijpm.ijpm_32_22","type":"journal-article","created":{"date-parts":[[2024,1,19]],"date-time":"2024-01-19T04:39:07Z","timestamp":1705639147000},"page":"459-462","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":3,"title":["Extranodal nasal-type NK\/T-cell lymphoma with CD20 positive: A case report and review of literature"],"prefix":"10.4103","volume":"67","author":[{"given":"Yongliang","family":"Han","sequence":"first","affiliation":[{"name":"Department of Pathology, Jiujiang No. 1 People\u2019s Hospital, Jiujiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shufei","family":"Wei","sequence":"additional","affiliation":[{"name":"Department of Pathology, Jiujiang University Hospital, Jiujiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yihang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Radiology, Jiujiang University Hospital, Jiujiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liangliang","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Pathology, Jiujiang University Hospital, Jiujiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Pathology, Jiujiang University Hospital, Jiujiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2023,7,6]]},"reference":[{"key":"R1-20240829","doi-asserted-by":"crossref","first-page":"198","DOI":"10.1111\/neup.12438","article-title":"Primary central nervous system extranodal nasal-type natural killer\/T-cell lymphoma with CD20 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