Second or subsequent remission with a disease-free survival of 5 years or longer in acute lymphocytic leukemia of childhood: results of a national survey.

A national survey was conducted to determine the number of children with acute lymphocytic leukemia who have survived 5 years or longer in their second or subsequent remission. Seventy-two such patients were identified. The clinical and laboratory characteristics of these patients as well as their therapy are described. It is concluded that long-term second or subsequent remission may occur more frequently than previously appreciated.