Haematologica (Dec 2016)

Non-Hodgkin lymphoma and pre-existing conditions: spectrum, clinical characteristics and outcome in 213 children and adolescents

  • Andishe Attarbaschi,
  • Elisa Carraro,
  • Oussama Abla,
  • Shlomit Barzilai-Birenboim,
  • Simon Bomken,
  • Laurence Brugieres,
  • Eva Bubanska,
  • Birgit Burkhardt,
  • Alan K.S. Chiang,
  • Monika Csoka,
  • Alina Fedorova,
  • Janez Jazbec,
  • Edita Kabickova,
  • Zdenka Krenova,
  • Jelena Lazic,
  • Jan Loeffen,
  • Georg Mann,
  • Felix Niggli,
  • Natalia Miakova,
  • Tomoo Osumi,
  • Leila Ronceray,
  • Anne Uyttebroeck,
  • Denise Williams,
  • Wilhelm Woessmann,
  • Grazyna Wrobel,
  • Marta Pillon

DOI
https://doi.org/10.3324/haematol.2016.147116
Journal volume & issue
Vol. 101, no. 12

Abstract

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Children and adolescents with pre-existing conditions such as DNA repair defects or other primary immunodeficiencies have an increased risk of non-Hodgkin lymphoma. However, large-scale data on patients with non-Hodgkin lymphoma and their entire spectrum of pre-existing conditions are scarce. A retrospective multinational study was conducted by means of questionnaires sent out to the national study groups or centers, by the two largest consortia in childhood non-Hodgkin lymphoma, the European Intergroup for Childhood non-Hodgkin Lymphoma, and the international Berlin-Frankfurt-Münster Study Group. The study identified 213 patients with non-Hodgkin lymphoma and a pre-existing condition. Four subcategories were established: a) cancer predisposition syndromes (n=124, 58%); b) primary immunodeficiencies not further specified (n=27, 13%); c) genetic diseases with no increased cancer risk (n=40, 19%); and d) non-classifiable conditions (n=22, 10%). Seventy-nine of 124 (64%) cancer predispositions were reported in groups with more than 20 patients: ataxia telangiectasia (n=32), Nijmegen breakage syndrome (n=26), constitutional mismatch repair deficiency (n=21). For the 151 patients with a known cancer risk, 5-year event-free survival and overall survival rates were 40%±4% and 51%±4%, respectively. Five-year cumulative incidences of progression/relapse and treatment-related death as a first event were 22%±4% and 24%±4%, respectively. Ten-year incidence of second malignancy was 24%±5% and 7-year overall survival of the 21 patients with a second malignancy was 41%±11%. Patients with non-Hodgkin lymphoma and pre-existing conditions have an inferior survival rate with a large proportion of therapy-related deaths compared to patients with non-Hodgkin lymphoma and no pre-existing conditions. They may require special vigilance when receiving standard or modified/reduced-intensity chemotherapy or when undergoing allogeneic stem cell transplantation.