Three-year relapse-free survival rates in childhood rhabdomyosarcoma of the head and neck: Report from the intergroup rhabdomyosarcoma study

Authors:
  • RLRobert D. Lindberg
    Robert D. Lindberg
  • EGEdmund A. Gehan
    Edmund A. Gehan
  • ARAbdelsalam H. Ragab
    Abdelsalam H. Ragab
  • RRR. Beverly Raney
    R. Beverly Raney
  • FRFrederick Ruymann
    Frederick Ruymann
  • ESEdward H. Soule
    Edward H. Soule
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Abstract
In 202 patients with rhabdomyosarcoma of the head and neck who registered in the first Intergroup Rhabdomyosarcoma Study, the primary lesions arose about the eye and orbit in 26%, in parameningeal sites in 46%, and in other head and neck areas in 28%. Histopathologically, 78% were embryonalbotryoid, 9% alveolar, 10% undifferentiated, and 3% extraosseous Ewing's types. Actual three-year relapse-free survival rates were calculated from data on 103 of these patients who were free of distant metastases at diagnosis and in whom follow-up had been completed for a three-year period. The actual relapse-free survival rates were 91% (21/23) for those with eye/orbit primaries, 46% (20/44) for those with parameningeal primaries, and 75% (27/36) for those with other head and neck sites affected. Among those with no clinical evidence of tumor activity at two years, 8% (6/75) had subsequent relapses.

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