ISSN: 2161-1149 (Printed)
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Valentina Cestelli, Gilda Sandri, Eliana Valentina Liardo, Stefano Sacchi and Maria Teresa Mascia
Data obtained by large observational studies and meta-analysis indicate the absence of an increased risk of lymphoma related to therapy with anti-TNF-α, but there is limited information in literature about the safety of sequential, multiple biological agents therapy for a time longer than three years. We hereby present a case of psoriatic arthritis developing non-Hodgkin lymphoma after a six-year history of poorly effective therapy with different anti-TNF-α.