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  • Title: Complete second look operation and radiotherapy in locally advanced non-alveolar rhabdomyosarcoma in children: A report from the AIEOP soft tissue sarcoma committee.
    Author: Cecchetto G, Carretto E, Bisogno G, Dall'Igna P, Ferrari A, Scarzello G, Donfrancesco A, Alaggio R, Indolfi P, Carli M.
    Journal: Pediatr Blood Cancer; 2008 Nov; 51(5):593-7. PubMed ID: 18668515.
    Abstract:
    BACKGROUND: To evaluate the effect of radiotherapy (RT) in association with complete second look operation, histologically confirmed, on outcome of patients with IRS Gr.III non-alveolar RMS. PROCEDURE: We analyzed data from 39 patients (age: 0.5-194 months, median 52) who were enrolled between 1988 and 2005 in 2 consecutive Italian Studies, RMS 88 and RMS 96. All achieved a complete resection of the residual tumor after neoadjuvant chemotherapy; 27 did not receive any other local treatment: pelvic 8, extremities 6, head-neck-non-parameningeal 5, orbit 1, genito-urinary-bladder-prostate 3, trunk 2, abdomen 1, vagina 1; 12 were given RT (32-45 Gy), 5 before and 7 after the operation: genito-urinary-bladder-prostate 3, pelvic 3, abdominal 1, extremities 1, head-neck-parameningeal 1, head-neck-non-parameningeal 1, vagina 1, orbit 1. All received postoperative chemotherapy. RESULTS: Median follow-up was 81 months (range 17-219 months). With RT: 10/12 patients are in first complete remission; 2/12 had a metastatic relapse (1 also local relapse), and both of them died of disease. Without RT: 16/27 maintained the first complete remission, however 1/16 died due to a second tumor; 8 suffered from local relapse (4 pelvic, 1 orbit, 1 vagina, 1 head-neck-non-parameningeal, 1 abdomen) and 3 of them died, 3 showed a metastatic recurrence (2 extremities, 1 pelvic) and 1 died. CONCLUSIONS: Local relapses were more frequent for patients without RT, especially in pelvic sites. The two relapses after RT occurred in huge bladder-prostate RMS. Although the limited number of patients does not allow statistically significant conclusions, our experience suggests that RT may have a positive influence on local control for completely resected non-alveolar RMS.
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