PURPOSE: To assess the outcome and the prognosis of adults with a neoplasm related to the Ewing's sarcoma family of tumors. PATIENTS AND METHODS: The outcomes of 182 consecutive patients older than 15 years with Ewing's sarcoma or related neoplasms managed from 1982 to 1992 were reviewed, without any selection according to primary tumor site or disease extension. RESULTS: Of 182 patients, 53 had evidence of metastases at presentation (29%). Tumor size was greater than 10 cm in 70 patients (41%). With a median follow-up duration of 66 months, the 5-year overall survival (OS) rate was 41%. In patients with localized disease, 5-year OS rate was 54% and 5-year progression-free survival (PFS) rate, 43%. Late relapses after 5 years accounted for 9% of relapses. Metastasis at presentation (P = .00001), pelvic primary lesion (P = .0025), and tumor size greater than 10 cm (P = .004) were independent prognostic factors for survival. Five-year OS was 67% in patients with nonpelvic tumors < or = 10 cm, 52% in those with pelvic tumors less than 10 cm or extrapelvic tumors > or = 10 cm, 16% in those with pelvic tumors greater than 10 cm, and 9% in those with metastasis (P = .00001). CONCLUSION: Based on our experience and a review of the literature, we concluded that the natural history and the prognosis of the Ewing's family of tumors in adults are not different from that found in children. A greater tumor bulk in adults may explain the less favorable prognosis previously reported by others. Outcome could be adequately monitored by a simple prognostic index.
PURPOSE: To assess the outcome and the prognosis of adults with a neoplasm related to the Ewing's sarcoma family of tumors. PATIENTS AND METHODS: The outcomes of 182 consecutive patients older than 15 years with Ewing's sarcoma or related neoplasms managed from 1982 to 1992 were reviewed, without any selection according to primary tumor site or disease extension. RESULTS: Of 182 patients, 53 had evidence of metastases at presentation (29%). Tumor size was greater than 10 cm in 70 patients (41%). With a median follow-up duration of 66 months, the 5-year overall survival (OS) rate was 41%. In patients with localized disease, 5-year OS rate was 54% and 5-year progression-free survival (PFS) rate, 43%. Late relapses after 5 years accounted for 9% of relapses. Metastasis at presentation (P = .00001), pelvic primary lesion (P = .0025), and tumor size greater than 10 cm (P = .004) were independent prognostic factors for survival. Five-year OS was 67% in patients with nonpelvic tumors < or = 10 cm, 52% in those with pelvic tumors less than 10 cm or extrapelvic tumors > or = 10 cm, 16% in those with pelvic tumors greater than 10 cm, and 9% in those with metastasis (P = .00001). CONCLUSION: Based on our experience and a review of the literature, we concluded that the natural history and the prognosis of the Ewing's family of tumors in adults are not different from that found in children. A greater tumor bulk in adults may explain the less favorable prognosis previously reported by others. Outcome could be adequately monitored by a simple prognostic index.
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