## Abstract An 11‐year‐old boy with prior bone marrow and testicular relapses of his acute lymphoblastic leukemia (ALL) developed an isolated metatarsal bone relapse during complete hematologic remission 10 months after completion of chemotherapy. Although there was no radiographic or histologic ev
Superior prognosis in combined compared to isolated bone marrow relapses in salvage therapy of childhood acute lymphoblastic leukemia
✍ Scribed by Bührer, Christoph ;Hartmann, Reinhard ;Fengler, Rüdiger ;Dopfer, Roland ;Gadner, Helmut ;Gerein, Valentin ;Gobel, Ulrich ;Reiter, Alfred ;Ritter, Jörg ;Henze, Günter
- Publisher
- John Wiley and Sons
- Year
- 1993
- Tongue
- English
- Weight
- 640 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0098-1532
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✦ Synopsis
Abstract
Three hundred twenty‐six children with bone marrow (BM) relapse of non‐B acute lymphoblastic leukemia (ALL) were stratified according to the time of relapse in three consecutive multicenter trials—ALL‐REZ BFM 83, 85, and 87. Employing an intensive polychemotherapy regimen, extramedullary involvement appeared to be predictive of superior outcome in both strata as well as in the whole group (probability of 7‐year event free survival (EFS) 42% in combined vs. 15% in isolated BM relapse, P = 0.015). Children with combined BM relapse occurring later than 6 months after completion of front‐line therapy reached EFS estimates of 60%. We conclude that results of conventional poly‐chemotherapy with BFM relapse protocols are equivalent to those achieved by bone marrow transplantation in children with late combined BM relapse. © 1993 Wiley‐Liss, Inc.
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