{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T21:42:45Z","timestamp":1789940565593,"version":"4.0.1"},"reference-count":40,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2007,6,8]],"date-time":"2007-06-08T00:00:00Z","timestamp":1181260800000},"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":[[2007,11]]},"abstract":"<jats:p><jats:bold>Abstract:\u2002<\/jats:bold> Solitary fibrous tumor (SFT) is a relatively uncommon neoplasm that most commonly arises in the pleura. However, SFT is now known to affect various other anatomic sites as well, including rare examples in the skin, where the histologic features of this lesion may create diagnostic confusion with a variety of other spindle\u2010cell tumors. In order to further the characterization of cutaneous SFT, all available cases of that entity were retrieved from the authors\u2019 institutional files. Immunohistochemical analysis for CD\u201034, CD\u201099, vimentin, <jats:italic>bcl<\/jats:italic>\u20102, factor XIIIa, S100 protein, smooth muscle actin, pankeratin, epithelial membrane antigen (EMA) and desmin was performed on those neoplasms and the corresponding clinical information was obtained whenever possible. There were eight men and two women in the study group, with a median age of 43 years. Sites of involvement included the trunk (two cases), cheek (two), scalp (one), forehead (one), lip (one), temple (one), heel (one) and toe (one). All patients were treated with local excision; only one lesion recurred locally, but it required multiple re\u2010excisions. All of the neoplasms were composed of bland spindle cells with a variably fibrous but focally hyalinized collagenous stroma. A variety of case\u2010specific growth patterns were observed. Mitoses were generally rare, ranging from 0 to 3 per 10 \u00d7400 microscopic fields. Immunostains showed reactivity for vimentin in all SFTs, CD\u201034 in 8 of 10 cases, CD\u201099 and <jats:italic>bcl<\/jats:italic>\u20102 in 4 of 10 (each) and smooth\u2010muscle actin in 3 of 10 cases. None of the lesions was labeled for factor XIIIa, keratin, EMA, desmin or S100 protein. SFT of the skin appears to be a \u2018borderline\u2019 neoplasm that only uncommonly recurs. Immunoreactivity for CD\u201034, \u2013 especially together with <jats:italic>bcl<\/jats:italic>\u20102 or CD\u201099, or both \u2013 is helpful in identifying this tumor.<\/jats:p>","DOI":"10.1111\/j.1600-0560.2006.00728.x","type":"journal-article","created":{"date-parts":[[2007,6,8]],"date-time":"2007-06-08T11:48:47Z","timestamp":1181303327000},"page":"844-850","source":"Crossref","is-referenced-by-count":67,"title":["Solitary fibrous tumors of the skin: a clinicopathologic study of 10 cases and review of the literature"],"prefix":"10.1111","volume":"34","author":[{"given":"Gulsun","family":"Erdag","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hina S.","family":"Qureshi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James W.","family":"Patterson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark R.","family":"Wick","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2007,6,8]]},"reference":[{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1080\/07357900500524348"},{"key":"e_1_2_5_3_2","article-title":"Malignant solitary fibrous tumor of the kidney: report of a case and comprehensive review of the literature","volume":"130","author":"Fine SW","year":"2006","journal-title":"Arch Pathol Lab Med"},{"key":"e_1_2_5_4_2","volume":"25","author":"Rodriguez I","year":"2001","journal-title":"Solitary fibrous tumor of the thyroid gland: report of seven cases. 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