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Case 1 pertained to an 82\u2010year\u2010old woman with an ulcerated chest wall tumor, and Case 2 was that of a 74\u2010year\u2010old woman who presented with an ulcerated plaque in the lower leg. Case 1 showed an unusual pseudo\u2010angiosarcomatous morphology with spindle cells dissecting through collagen bundles and forming vascular like channels. Case 2 revealed high\u2010grade malignant spindle cells with focal evidence of ductal differentiation. In both the cases, benign poromatous elements were histologically evident. Immunohistochemistry performed showed pancytokeratin positivity in spindle cells of both lesions. Epithelial membrane antigen and carcino\u2010embryonic antigen positivity in the malignant ductal elements and focal smooth muscle actin staining of the spindle cells were demonstrated in Case 2. A brief review of relevant literature is presented.<\/jats:p>","DOI":"10.1111\/j.1600-0560.2006.00556.x","type":"journal-article","created":{"date-parts":[[2006,10,18]],"date-time":"2006-10-18T17:23:00Z","timestamp":1161192180000},"page":"55-60","source":"Crossref","is-referenced-by-count":30,"title":["Sarcomatoid eccrine porocarcinoma: report of two cases and a review of the literature"],"prefix":"10.1111","volume":"34","author":[{"given":"Seng Geok Nicholas","family":"Goh","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Johannes F.","family":"Dayrit","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eduardo","family":"Calonje","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,10,18]]},"reference":[{"key":"e_1_2_7_2_2","first-page":"118","article-title":"Carcinosarcomas: current perspectives and an historical review of nosological concepts","volume":"10","author":"Wick MR","year":"1993","journal-title":"Semin Diagn Pathol"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.3109\/01913129509064228"},{"key":"e_1_2_7_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.0303-6987.2005.00260.x"},{"key":"e_1_2_7_5_2","doi-asserted-by":"publisher","DOI":"10.1097\/00000372-199708000-00008"},{"key":"e_1_2_7_6_2","doi-asserted-by":"publisher","DOI":"10.1159\/000253989"},{"key":"e_1_2_7_7_2","doi-asserted-by":"publisher","DOI":"10.1097\/00000478-200106000-00002"},{"key":"e_1_2_7_8_2","doi-asserted-by":"publisher","DOI":"10.1001\/archderm.1983.01650260012008"},{"key":"e_1_2_7_9_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.1982.tb00527.x"},{"key":"e_1_2_7_10_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.1986.tb06228.x"},{"key":"e_1_2_7_11_2","doi-asserted-by":"publisher","DOI":"10.1097\/00000372-199902000-00087"},{"key":"e_1_2_7_12_2","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.2001.19.12.3045"},{"key":"e_1_2_7_13_2","doi-asserted-by":"publisher","DOI":"10.1097\/00000478-199203000-00001"},{"key":"e_1_2_7_14_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0560.1996.tb01472.x"},{"key":"e_1_2_7_15_2","doi-asserted-by":"publisher","DOI":"10.1097\/00000478-199806000-00005"},{"key":"e_1_2_7_16_2","doi-asserted-by":"publisher","DOI":"10.1053\/hupa.2000.9843"},{"key":"e_1_2_7_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0923-1811(02)00039-7"},{"key":"e_1_2_7_18_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19810101)47:1<156::AID-CNCR2820470127>3.0.CO;2-#"},{"key":"e_1_2_7_19_2","first-page":"307","article-title":"Cutaneous and subcutaneous leiomyosarcoma. 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