Letters

Association may be iatrogenic

BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.7007.750 (Published 16 September 1995) Cite this as: BMJ 1995;311:750
  1. Mark Vickers, Senior registrar
  1. Haematology Department, John Radcliffe Hospital, Oxford OX3 9DU

    EDITOR,--Johanna Adami and colleagues postulate that exposure to ultraviolet light causes immunosuppression and, thereby, non-Hodgkin's lymphoma.1 To support their hypothesis they report that patients with non-Hodgkin's lymphoma had a relative risk of 5.5 of developing squamous cell skin cancer. Conversely, patients with squamous cell skin cancer had a twofold excess risk of developing non-Hodgkin's lymphoma or the closely related chronic lymphocytic leukaemia. The relation …

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