Allotransplantation in pediatric HL

Blood ◽  
2009 ◽  
Vol 114 (10) ◽  
pp. 2008-2009 ◽  
Author(s):  
James Nachman

Abstract In this issue of Blood, Claviez and colleagues report on the outcomes of 91 patients younger than 18 years of age who underwent an allogeneic bone marrow transplantation for HL between 1987 and 2005. The outcomes were reported to the European Group for Blood and Marrow Transplantation.1

Blood ◽  
1987 ◽  
Vol 70 (3) ◽  
pp. 873-876 ◽  
Author(s):  
TS Ganesan ◽  
GL Min ◽  
JM Goldman ◽  
BD Young

Abstract Four patients with Philadelphia (Ph′) positive chronic myeloid leukemia (CML) were studied before, after, and on relapse following allogeneic bone marrow transplantation (BMT). Southern analysis of DNA from cells collected before and at relapse after BMT was performed in order to investigate the origin of the leukemia at relapse. Using minisatellite probes we showed that the relapse occurred in cells of host origin in all four patients and this was confirmed with a Y chromosome specific probe in two male patients who had a female donor. Furthermore, using two probes for the breakpoint cluster region (bcr) on chromosome 22, we showed that leukemic cells at relapse bore identical rearrangements to those in the disease at time of presentation of each patient. We conclude that relapse in all four patients is due to re-emergence of the original leukemic clone.


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