{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T09:18:36Z","timestamp":1787649516125,"version":"build-2736575974"},"reference-count":17,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2025,8,6]],"date-time":"2025-08-06T00:00:00Z","timestamp":1754438400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Int J Surg Pathol"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:p>Genitourinary tract lymphomas are rare and comprise &lt;5% of extranodal lymphomas. Information on prevalence in urinary and male genital tract (GU) organs is limited. A retrospective study of the B-cell lymphomas in the GU organs (kidney, prostate, bladder, testis, and ureter) between January 1, 2011, and September 16, 2021, at our institution was performed. A total of 39 specimens with lymphoma in the GU organs were identified, 51% of which were primary. The most common diagnosis within the primary subgroup was diffuse large B-cell lymphoma (60%), followed by chronic lymphocytic leukemia\/small lymphocytic lymphoma (CLL\/SLL, 15%) and extranodal marginal zone lymphoma (EMZL, 15%) and follicular lymphoma (5%). Kidney was the most common site (36%), followed by testes (20%), bladder (15%), and prostate (13%). All testicular lymphomas were primary. Most bladder lymphomas were secondary (83%). Most of these were either discovered incidentally or presented with organ-specific symptoms. We also identified an interesting example of primary EMZL involving both prostate and bladder and another one of proliferative glomerulonephritis with monoclonal IgG kappa immunoglobulin deposits due to primary CLL\/SLL of the kidney. Our study highlights the importance of hematopathologic workup for specimens suspicious for a typical B cell infiltrates in surgical pathology practice.<\/jats:p>","DOI":"10.1177\/10668969251358353","type":"journal-article","created":{"date-parts":[[2025,8,6]],"date-time":"2025-08-06T10:08:52Z","timestamp":1754474932000},"page":"64-72","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Suspicious Atypical B-Cell Infiltrates\u2014Significance of Work-up in Urinary and Male Genital Organs"],"prefix":"10.1177","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8259-3636","authenticated-orcid":false,"given":"Mariam","family":"Ghafoor","sequence":"first","affiliation":[{"name":"Thomas Jefferson University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3016-3102","authenticated-orcid":false,"given":"Namra","family":"Ajmal","sequence":"additional","affiliation":[{"name":"Thomas Jefferson University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizaveta","family":"Flerova","sequence":"additional","affiliation":[{"name":"Thomas Jefferson University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nneamaka","family":"Nwaoduah","sequence":"additional","affiliation":[{"name":"Thomas Jefferson University Hospital"},{"name":"Quest Diagnostics Nichols Institute Chantilly, Chantilly, VA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter A.","family":"McCue","sequence":"additional","affiliation":[{"name":"Thomas Jefferson University Hospital"},{"name":"Fox Chase Cancer Centre"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3833-2583","authenticated-orcid":false,"given":"Li","family":"Li","sequence":"additional","affiliation":[{"name":"Thomas Jefferson University Hospital"},{"name":"Physician Sciences Medical Group, Norfolk General Hospital, Norfolk, VA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2025,8,6]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.ajkd.2016.01.003"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/modpathol.2009.65"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.3121\/cmr.2021.1531"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/0090-4295(93)90518-F"},{"issue":"11","key":"e_1_3_2_6_2","article-title":"Primary testicular lymphoma mimicking germ-cell tumor: a case report","volume":"15","author":"Alnemer M","year":"2023","unstructured":"Alnemer M, Felemban JM, Mansoor A, Butt SA. Primary testicular lymphoma mimicking germ-cell tumor: a case report. Cureus. 2023;15(11):e48990.","journal-title":"Cureus"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.5858\/2007-131-1040-PTAPLA"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1097\/CU9.0000000000000137"},{"key":"e_1_3_2_9_2","first-page":"101733","article-title":"Bilateral primary testicular diffuse large B-cell lymphoma","volume":"38","author":"Trama F","year":"2021","unstructured":"Trama F, Illiano E, Aveta A, Pandolfo SD, Bertuzzi G, Costantini E. Bilateral primary testicular diffuse large B-cell lymphoma. Urol Case Rep. 2021;38:101733.","journal-title":"Urol Case Rep"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.gendis.2023.02.036"},{"key":"e_1_3_2_11_2","first-page":"100397","article-title":"Testicular involvement in mantle cell lymphoma: an analysis of 16 patients","volume":"20","author":"Alkhalili S","year":"2023","unstructured":"Alkhalili S, , Manogna D, Safah H, et al. Testicular involvement in mantle cell lymphoma: an analysis of 16 patients. Leuk Res Rep. 2023;20:100397.","journal-title":"Leuk Res Rep"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.3390\/curroncol29020081"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1155\/2014\/327917"},{"issue":"1","key":"e_1_3_2_14_2","first-page":"86","article-title":"Primary prostatic lymphoma with components of both diffuse large B-cell lymphoma (DLBCL) and MALT lymphoma","volume":"16","author":"Petrakis G","year":"2012","unstructured":"Petrakis G, Koletsa T, Karavasilis V, et al. Primary prostatic lymphoma with components of both diffuse large B-cell lymphoma (DLBCL) and MALT lymphoma. Hippokratia. 2012;16(1):86-89.","journal-title":"Hippokratia"},{"key":"e_1_3_2_15_2","first-page":"948352","article-title":"Lymphoma presenting as cancer of the Glans penis: a case report","author":"Stamatiou K","year":"2012","unstructured":"Stamatiou K, Pierris N. Lymphoma presenting as cancer of the Glans penis: a case report. Case Rep Pathol. 2012. 2012:948352.","journal-title":"Case Rep Pathol."},{"key":"e_1_3_2_16_2","doi-asserted-by":"publisher","DOI":"10.1159\/000499275"},{"issue":"3","key":"e_1_3_2_17_2","first-page":"3113","article-title":"Primary testicular lymphoma: a SEER analysis of 1,169 cases","volume":"17","author":"Xu H","year":"2019","unstructured":"Xu H, Yao F. Primary testicular lymphoma: a SEER analysis of 1,169 cases. 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