{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T00:57:30Z","timestamp":1747184250355,"version":"3.40.5"},"reference-count":15,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,8,30]],"date-time":"2021-08-30T00:00:00Z","timestamp":1630281600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cytopathology"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Follicular dendritic cell sarcomas (FDCS) are rare tumours of lymph nodes and extranodal tissues which are grouped with the histiocytic and dendritic cell neoplasms. The diagnosis is usually made after thorough clinical and pathological examination with immunohistochemical analysis. Difficulties persist in diagnosing FDCS on cytological preparations. We report herein a case of a 57\u2010year\u2010old female who presented with a right neck mass of 5\u00a0months duration. Computed Tomography (CT) imaging of the neck reported a necrotic right level IIb lymph node and asymmetric fullness of the right palatine tonsil. Fine needle aspiration (FNA) biopsy revealed numerous spindle, oval and stellate neoplastic cells, arranged singly and in syncytia with moderate nuclear pleomorphism, vesicular chromatin pattern, and prominent nucleoli, sprinkled with small lymphocytes. The tumour cells were strongly diffusely positive for CD21, CD23, and D2\u201040 immunostaining on cell bock sections, but were negative for CD1a and CD34, supporting the diagnosis of FDCS. Follow\u2010up surgical pathology on the resection showed histopathological features and an immunohistochemical profile consistent with FDCS.<\/jats:p>","DOI":"10.1111\/cyt.13047","type":"journal-article","created":{"date-parts":[[2021,8,5]],"date-time":"2021-08-05T09:23:18Z","timestamp":1628155398000},"page":"119-122","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Follicular dendritic cell sarcoma of the cervical lymph node diagnosed on fine needle aspiration cytology"],"prefix":"10.1111","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8573-2152","authenticated-orcid":false,"given":"Rong","family":"Xia","sequence":"first","affiliation":[{"name":"Department of Pathology New York University Langone Health New York NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Negin","family":"Shafizadeh","sequence":"additional","affiliation":[{"name":"Department of Pathology New York University Langone Health New York NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tamar","family":"Brandler","sequence":"additional","affiliation":[{"name":"Department of Pathology New York University Langone Health New York NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cheng","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Pathology New York University Langone Health New York NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thaira","family":"Oweity","sequence":"additional","affiliation":[{"name":"Department of Pathology New York University Langone Health New York NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,8,30]]},"reference":[{"issue":"2","key":"e_1_2_7_2_1","first-page":"E65","article-title":"Fine needle aspiration of an intranodal follicular dendritic cell sarcoma: a case report with molecular analysis and 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