Askin's tumor is a rare, primitive neuroectodermal tumor which arises from the soft tissues of the chest wall, particularly of the paravertebral region.[1][2] It was first described by Askin et al. in 1979.[3] Askin's tumor is now recognized as part of the Ewing's sarcoma family of tumors.[4] 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 rhabdomyosarcomaorneuroblastoma.
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