{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,13]],"date-time":"2025-11-13T12:24:42Z","timestamp":1763036682481},"reference-count":22,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2012,6,19]],"date-time":"2012-06-19T00:00:00Z","timestamp":1340064000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Cutan Pathol"],"published-print":{"date-parts":[[2012,8]]},"abstract":"<jats:p>Ectomesenchymal chondromyxoid tumor (ECT) is a rare benign neoplasm usually affecting the anterior dorsum of the tongue. Histopathologically, it is formed by spindle, round and\/or polygonal cells embedded in a chondromyxoid matrix. Immunohistochemical positivity for vimentin, S\u2010100 protein, glial fibrillary acid protein and neuron\u2010specific enolase are helpful to confirm the diagnosis. There are 42 cases of ECT of the tongue reported in the English language literature, three of them showing no chondroid matrix. We describe two additional cases of ECT lacking the chondroid component, exhibiting areas of reticulated myxoid and cellular pattern. Considering the microscopical features, ECT can be classified in classic and \u2018chondroid\u2010free\u2019 variants, the latter including the reticulated myxoid and cellular patterns. It is important to consider that the cellular ECT usually exhibits predominance of an infiltrative atypical cellular component that may mimic a malignant tumor.<\/jats:p><jats:p>Palma Guzm\u00e1n JM, de Andrade BAB, Rizo VHT, Roma\u00f1ach MJ, Le\u00f3n JE, de Almeida OP. Ectomesenchymal chondromyxoid tumor: histopathologic and immunohistochemical study of two cases without a chondroid component.<\/jats:p>","DOI":"10.1111\/j.1600-0560.2012.01910.x","type":"journal-article","created":{"date-parts":[[2012,6,19]],"date-time":"2012-06-19T12:27:20Z","timestamp":1340108840000},"page":"781-786","source":"Crossref","is-referenced-by-count":14,"title":["Ectomesenchymal chondromyxoid tumor: histopathologic and immunohistochemical study of two cases without a chondroid component"],"prefix":"10.1111","volume":"39","author":[{"given":"Jos\u00e9 Mario","family":"Palma Guzm\u00e1n","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bruno Augusto Benevenuto","family":"de Andrade","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victor Hugo Toral","family":"Rizo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M\u00e1rio Jos\u00e9","family":"Roma\u00f1ach","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jorge Esquiche","family":"Le\u00f3n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Oslei Paes","family":"de Almeida","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2012,6,19]]},"reference":[{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/00000478-199505000-00003"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1079-2104(96)80307-6"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0714.1996.tb00296.x"},{"key":"e_1_2_5_5_2","first-page":"361.","article-title":"Ectomesenchymal chondromyxoid tumor of the tongue","volume":"4","author":"Carlos R","year":"1999","journal-title":"Med Oral"},{"key":"e_1_2_5_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1368-8375(01)00117-8"},{"key":"e_1_2_5_7_2","doi-asserted-by":"crossref","first-page":"302.","DOI":"10.1007\/s00428-003-0781-7","article-title":"Ectomesenchymal chondromyxoid tumor of the anterior tongue with myxoglobulosislike change","volume":"442","author":"Ide F","year":"2003","journal-title":"Virchows Arch"},{"key":"e_1_2_5_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijom.2003.07.003"},{"key":"e_1_2_5_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2004.12.016"},{"key":"e_1_2_5_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.oraloncology.2006.06.004"},{"key":"e_1_2_5_11_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0714.2006.00368.x"},{"key":"e_1_2_5_12_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1601-0825.2008.01447.x"},{"key":"e_1_2_5_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2009.05.040"},{"key":"e_1_2_5_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2009.07.007"},{"key":"e_1_2_5_15_2","doi-asserted-by":"publisher","DOI":"10.1159\/000324974"},{"key":"e_1_2_5_16_2","doi-asserted-by":"publisher","DOI":"10.1097\/DAD.0b013e3181d7d3bf"},{"key":"e_1_2_5_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2007.09.033"},{"key":"e_1_2_5_18_2","first-page":"4685.","article-title":"Ectomesenchymal chondromyxoid tumour of the tongue. 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