Abstract
This is the first case series to describe primary mediastinal large B-cell lymphoma (PMLBL) patients in children and adolescents in Asia. We retrospectively identified 17 PMLBL patients diagnosed between 1991 and 2014; in seven of these cases, the diagnosis was confirmed by central review, representing 1.0% of all NHL and 2.2% of all B-NHL cases registered. All patients were teenagers, including seven adolescents, with a median age of 14 years (range 12–18 years). Ten patients were male, and seven were female. The 5-year EFS and OS rates were 81.9 and 84.4%, respectively. All seven recent cases remain alive, of which three received rituximab combination therapy. Incidence, characteristics, and outcome varied considerably from those of Western populations. Further studies, including molecular analysis, are warranted.
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Abbreviations
- PMLBL:
-
Primary mediastinal large B-cell lymphoma
- NHL:
-
Non-Hodgkin lymphoma
- DLBCL:
-
Diffuse large B-cell lymphoma
- B-NHL:
-
B-Cell NHL
- OS:
-
Overall survival
- EFS:
-
Event-free survival
- CR:
-
Complete remission
- SCT:
-
Stem-cell transplantation
- HL:
-
Hodgkin lymphoma
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Acknowledgements
We would like to thank Dr. Daisuke Tomizawa of Children’s Cancer Center and Dr. Julian Tang of the Department of Education for Clinical Research, National Center for Child Health and Development, for proofreading and editing this manuscript. This research is supported by the Practical Research for Innovative Cancer Control from the Japan Agency for Medical Research and Development, AMED.
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Osumi, T., Tanaka, F., Mori, T. et al. Primary mediastinal large B-cell lymphoma in Japanese children and adolescents. Int J Hematol 105, 440–444 (2017). https://doi.org/10.1007/s12185-016-2147-3
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DOI: https://doi.org/10.1007/s12185-016-2147-3