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Immunohistochemical stains for keratin intermediate filaments failed to demonstrate their presence in the spindle cell portion of the tumor. Transmission electron microscopic study did not reveal structures of an epithelial nature in these same cells. Our findings support the contention that the spindle cells of the stroma are not squamous in nature, but represent either a reactive or a neoplastic transformation of these underlying stromal elements.<\/jats:p>","DOI":"10.1002\/jso.2930360308","type":"journal-article","created":{"date-parts":[[2007,2,20]],"date-time":"2007-02-20T11:12:35Z","timestamp":1171969955000},"page":"188-192","source":"Crossref","is-referenced-by-count":3,"title":["Squamous cell carcinoma of the renal pelvis with sarcomalike stroma: A light and electron microscopic study with immunohistochemical analysis"],"prefix":"10.1002","volume":"36","author":[{"given":"Jed","family":"Goldstein","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marta","family":"Mozes","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leonid","family":"Lismer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Israel","family":"Levin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,7,19]]},"reference":[{"key":"e_1_2_1_2_2","unstructured":"BenningtonJL BeckwithJB: Tumors of the kidney renal pelvis and ureter. \u201cAtlas of Tumor Pathology.\u201d Armed Forces Institute of Pathology Fascicle #12 Second series.1975 pp255\u2013304."},{"key":"e_1_2_1_3_2","first-page":"810","volume-title":"Ackerman's Surgical Pathology, Sixth Edition","author":"Rosai J","year":"1981"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(195701\/02)10:1<19::AID-CNCR2820100104>3.0.CO;2-M"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(196301)16:1<51::AID-CNCR2820160108>3.0.CO;2-2"},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1093\/ajcp\/59.3.312"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(197409)34:3<597::AID-CNCR2820340317>3.0.CO;2-J"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19810815)48:4<994::AID-CNCR2820480424>3.0.CO;2-M"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19800515)45:10<2687::AID-CNCR2820451034>3.0.CO;2-R"},{"key":"e_1_2_1_10_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19830901)52:5<890::AID-CNCR2820520525>3.0.CO;2-T"},{"key":"e_1_2_1_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0046-8177(81)80069-X"},{"key":"e_1_2_1_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0046-8177(84)80055-6"},{"key":"e_1_2_1_13_2","first-page":"55","article-title":"Sarcomatoid transitional cell carcinomas of the renal pelvis: An ultrastructural and immunohistochemical study","volume":"109","author":"Wick ML","year":"1985","journal-title":"Arch Pathol Lab Med"}],"container-title":["Journal of Surgical Oncology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fjso.2930360308","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/jso.2930360308","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,22]],"date-time":"2023-10-22T16:49:29Z","timestamp":1697993369000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/jso.2930360308"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1987,11]]},"references-count":12,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1987,11]]}},"alternative-id":["10.1002\/jso.2930360308"],"URL":"https:\/\/doi.org\/10.1002\/jso.2930360308","archive":["Portico"],"relation":{},"ISSN":["0022-4790","1096-9098"],"issn-type":[{"value":"0022-4790","type":"print"},{"value":"1096-9098","type":"electronic"}],"subject":[],"published":{"date-parts":[[1987,11]]}}}