Prediction of early relapse from the presence of neoplastic plasma cells at 3 months after transplantation.

The presence of neoplastic plasma cells at 3 months after transplantation predicts early relapse. Kaplan-Meier analysis of progression-free and overall survival, comparing patients with detectable neoplastic plasma cells at 3 months after transplantation against those with only normal plasma cells present. Survival is shown from time of transplantation.