Salvage radiotherapy in recurrent Hodgkin's disease

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Abstract
Forty-four patients with Hodgkin's disease (HD) which relapsed after chemotherapy were treated with salvage radiotherapy (S-RT) with curative intent. Patients were aged 7 to 80 years (median 32 years) at the time of S-RT and the median follow-up from S-RT was 5 years (1–15). Nine patients had recurrent HD following first-line chemotherapy and thirty five patients had refractory HD. Salvage therapy consisted of radiotherapy alone in 25 and combined chemotherapy and radiotherapy in 19 patients. The overall CR rate of salvage therapy was 66%. The overall median survival of 44 patients was 4.6 years from S-RT with 46% 5 year and 40% 10 year survivals. Age (>40 years) and progression free interval (⩽1 year) were adverse independent prognostic factors for survival on multivariate analysis. The 5 and 10 year progression free survivals were 38% and 23% respectively. Adverse independent prognostic factors for progression-free survival were extranodal site of recurrence and short progression free interval (⩽1 year). We conclude that radiotherapy with or without chemotherapy has a role in the salvage of patients failing chemotherapy, particularly in those with nodal disease and progression-free interval >1 year.