Local Control for Pediatric Rhabdomyosarcoma of the Extremities: Is Radiotherapy Always Required After Adequate Surgical Resection? A CanSaRCC Study

Abstract

Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children and young adults. Typically, treatment involves a multimodal approach, with radiotherapy (RT) being a standard choice alongside surgical resection for local control, particularly in cases harboring fusions involving FOXO1. However, the long-term consequences of offering RT especially to the extremity in children can be significant including growth delay, contracture, arthritis, and secondary malignancy. Herein, we report the outcome of 10 consecutive patients with extremity RMS from two high-volume institutions who did not receive RT to primary site.

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