New assessment of the prognostic significance of histopathology in Hodgkin's disease for laparotomy-negative stage I and stage II patients

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Abstract
This paper describes preliminary radiotherapy results in 90 patients with Stage I and II Hodgkin's disease who were evaluated by laparotomy, including splenectomy, and liver and bone marrow biopsies. As a result of selection by laparotomy, the estimated five‐year survival rate for these patients was 96%. No statistically significant differences were detected in the disease‐free survival for patients with mixed cellularity, nodular sclerosis, and lymphocytic predominance disease. Since only one patient with lymphocytic depletion was in this series, no statement can be made regarding this rare histopathology. Patterns of new disease differed for Stage I and II patients. The major difference was that patients with nodular sclerosing Stage II presentations involving the mediastinum were at considerable risk of developing subsequent disease in the pulmonary parenchyma or the pleura. This finding, together with the demonstration that a histologic diagnosis of mixed cellularity did not carry an inferior prognosis, indicates the need for reassessment of the appropriateness of applying treatment programs based on results of lymphangiographically staged patients to Stage I and II patients evaluated by laparotomy.