Common infection-related conditions and risk of lymphoid malignancies in older individuals

L. A. Anderson*, A. A. Atman, C. M. McShane, G. J. Titmarsh, E. A. Engels, J. Koshiol

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Background:Chronic antigenic stimulation may initiate non-Hodgkin (NHL) and Hodgkin lymphoma (HL) development. Antecedent, infection-related conditions have been associated, but evidence by lymphoproliferative subtype is limited.Methods:From the US SEER-Medicare database, 44 191 NHL, 1832 HL and 200 000 population-based controls, frequency-matched to all SEER cancer cases, were selected. Logistic regression models, adjusted for potential confounders, compared infection-related conditions in controls with HL and NHL patients and by the NHL subtypes diffuse large B-cell, T-cell, follicular and marginal zone lymphoma (MZL). Stratification by race was undertaken.Results:Respiratory tract infections were broadly associated with NHL, particularly MZL. Skin infections were associated with a 15-28% increased risk of NHL and with most NHL subtypes, particularly cellulitis with T-cell lymphoma (OR 1.36, 95%CI 1.24-1.49). Only herpes zoster remained associated with HL following Bonferroni correction (OR 1.55, 95% CI 1.28-1.87). Gastrointestinal and urinary tract infections were not strongly associated with NHL or HL. In stratified analyses by race, sinusitis, pharyngitis, bronchitis and cellulitis showed stronger associations with total NHL in blacks than whites (P<0.001).Conclusions:Infections may contribute to the aetiologic pathway and/or be markers of underlying immune modulation. Precise elucidation of these mechanisms may provide important clues for understanding how immune disturbance contributes to lymphoma.

Original languageEnglish
Pages (from-to)2796-2803
Number of pages8
JournalBritish Journal of Cancer
Volume110
Issue number11
DOIs
Publication statusPublished - 27 May 2014

Keywords

  • bronchitis
  • cellulitis
  • herpes zoster
  • infection
  • laryngitis
  • lymphoid malignancies
  • pharyngitis
  • race

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