{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T04:54:56Z","timestamp":1767588896862,"version":"3.48.0"},"reference-count":4,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,7,29]],"date-time":"2025-07-29T00:00:00Z","timestamp":1753747200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,7,29]],"date-time":"2025-07-29T00:00:00Z","timestamp":1753747200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Manipal Academy of Higher Education, Manipal"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Head and Neck Pathol"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Solitary fibrous tumors encompass a heterogeneous group of spindle cell neoplasms, ranging from biologically low-risk lesions to, in rare instances, highly aggressive tumors with malignant potential. Dedifferentiation in solitary fibrous tumors is uncommon and typically occurs in the retroperitoneum, with extrapleural involvement being among the least frequently reported.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case Presentation<\/jats:title>\n                    <jats:p>A 13-year-old male presented with a rapidly enlarging mass in the lower jaw of 20 days duration, involving the submandibular triangle and floor of the mouth.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Diagnosis<\/jats:title>\n                    <jats:p>Histopathological examination of the excisional biopsy revealed spindle-shaped cells arranged in compact fascicles with a haphazard distribution, and areas of hyalinization. Immunohistochemical analysis demonstrated positivity for CD34, STAT6, MyoD1, \u03b1-SMA, Bcl-2, and CD99, confirming the diagnosis of extrapleural dedifferentiated solitary fibrous tumor (DSFT).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Management<\/jats:title>\n                    <jats:p>The lesion was surgically excised but recurred, likely due to disease progression. Re-excision was planned, but the child died 10 days before surgery.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s12105-025-01816-9","type":"journal-article","created":{"date-parts":[[2025,7,29]],"date-time":"2025-07-29T14:44:35Z","timestamp":1753800275000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Recurrent Pediatric Extrapleural Solitary Fibrous Tumor of the Jaw"],"prefix":"10.1007","volume":"19","author":[{"given":"Baishakhi","family":"Modak","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vishwapriya Mahadev","family":"Godkhindi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Narayana","family":"Venkadasalapathy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0088-4777","authenticated-orcid":false,"given":"Raghu","family":"Radhakrishnan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2025,7,29]]},"reference":[{"key":"1816_CR1","doi-asserted-by":"publisher","first-page":"32","DOI":"10.1186\/s13000-021-01095-2","volume":"16","author":"MU Tariq","year":"2021","unstructured":"Tariq MU, Din NU, Abdul-Ghafar J, Park Y-K (2021) The many faces of solitary fibrous tumor; diversity of histological features, differential diagnosis and role of molecular studies and surrogate markers in avoiding misdiagnosis and predicting the behavior. Diagn Pathol 16:32","journal-title":"Diagn Pathol"},{"key":"1816_CR2","doi-asserted-by":"publisher","first-page":"79","DOI":"10.1016\/j.tripleo.2010.01.023","volume":"110","author":"DP Cox","year":"2010","unstructured":"Cox DP, Daniels T, Jordan RCK (2010) Solitary fibrous tumor of the head and neck. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 110:79\u201384","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"1816_CR3","doi-asserted-by":"crossref","unstructured":"Subramaniam MM, Lim XY, Venkateswaran K, Shuen CS, Soong R, Petersson F (2011) Dedifferentiated solitary fibrous tumour of the nasal cavity: the first case reported with molecular characterization of a TP53 mutation. Histopathology. England; pp. 1269\u201374","DOI":"10.1111\/j.1365-2559.2011.03997.x"},{"key":"1816_CR4","doi-asserted-by":"publisher","first-page":"1314","DOI":"10.1097\/PAS.0b013e3181a6cd33","volume":"33","author":"J-M Mosquera","year":"2009","unstructured":"Mosquera J-M, Fletcher CDM (2009) Expanding the spectrum of malignant progression in solitary fibrous tumors: a study of 8 cases with a discrete anaplastic component\u2013is this dedifferentiated SFT? Am J Surg Pathol 33:1314\u20131321","journal-title":"Am J Surg Pathol"}],"container-title":["Head and Neck Pathology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s12105-025-01816-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s12105-025-01816-9","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s12105-025-01816-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T04:53:20Z","timestamp":1767588800000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s12105-025-01816-9"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,7,29]]},"references-count":4,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2025,12]]}},"alternative-id":["1816"],"URL":"https:\/\/doi.org\/10.1007\/s12105-025-01816-9","relation":{},"ISSN":["1936-0568"],"issn-type":[{"type":"electronic","value":"1936-0568"}],"subject":[],"published":{"date-parts":[[2025,7,29]]},"assertion":[{"value":"11 May 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 June 2025","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"29 July 2025","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"We confirm that written informed consent was obtained from the patient\u2019s caregiver for publication of this case report and any accompanying images. A copy of the written consent shall be made available upon request.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to Participate and Consent for Publication"}},{"value":"The authors declare no competing interests.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing Interests"}}],"article-number":"93"}}