Askin's tumor

Askin's tumor is a rare, primitive neuroectodermal tumor which arises from the soft tissues of the chest wall, particularly of the paravertebral region.{{cite journal | vauthors = Askin FB, Rosai J, Sibley RK, Dehner LP, McAlister WH | title = Malignant small cell tumor of the thoracopulmonary region in childhood: a distinctive clinicopathologic entity of uncertain histogenesis | journal = Cancer | volume = 43 | issue = 6 | pages = 2438–51 | date = June 1979 | pmid = 222426 | doi = 10.1002/1097-0142(197906)43:6<2438::AID-CNCR2820430640>3.0.CO;2-9 | doi-access = free }}{{cite journal | vauthors = Coindre JM | title = [Askin's tumor: a clinicopathologic entity?] | journal = Annales de Pathologie | volume = 13 | issue = 2 | pages = 139–40 | date = 1993 | pmid = 8363677 }} It was first described by Askin et al. in 1979.{{cite journal | vauthors = Benbrahim Z, Arifi S, Daoudi K, Serraj M, Amara B, Benjelloun MC, Mellas N, El Mesbahi O | display-authors = 6 | title = Askin's tumor: a case report and literature review | journal = World Journal of Surgical Oncology | volume = 11 | pages = 10 | date = January 2013 | pmid = 23339634 | pmc = 3556149 | doi = 10.1186/1477-7819-11-10 | doi-access = free }} Askin's tumor is now recognized as part of the Ewing's sarcoma family of tumors.{{cite journal | vauthors = Grünewald TG, Cidre-Aranaz F, Surdez D, Tomazou EM, de Álava E, Kovar H, Sorensen PH, Delattre O, Dirksen U | display-authors = 6 | title = Ewing sarcoma | language = En | journal = Nature Reviews. Disease Primers | volume = 4 | issue = 1 | pages = 5 | date = July 2018 | pmid = 29977059 | doi = 10.1038/s41572-018-0003-x | s2cid = 49571421 }} This neoplasm tended to recur locally, but did not seem to disseminate as widely as some of the other small cell tumors of childhood such as rhabdomyosarcoma or neuroblastoma.