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Updated: Jul 19, 2026

Induction of Invasive Transitional Cell Bladder Carcinoma in Immune Intact Human MUC1 Transgenic Mice: A Model for Immunotherapy Development
Published on: October 30, 2013
[Dactilitis and oligoarthritis after BCG immunotherapy in a patient affected by bladder cancer]
C U Manzini1, L Bernini, N Elkhaldi
1Cattedra e Servizio di Reumatologia, Azienda Policlinico, Modena, Italia. manzini.carlo@policlinico.mo.it
Abstract:
The treatment of bladder cancer with Bacillus of Calmette-Guerin (BCG) immunotherapy can induce the appearance of a reactive disorder. The Authors describe a 55-year-old male patient with bladder cancer treated with endovesical instillation of BCG immunotherapy, followed after the fifth application by asymmetric oligoarthritis and dactilitis. The observed positivity of both HLA-B27 and HLA-B51 antigens reinforces the hypothesis of a reactive form, possibly through "molecular mimicry" mechanism. The discontinuation of BCG instillation along which a therapeutic attempt with NSAD failed to improve the rheumatic manifestation, which completely remitted after a four-month course of oral steroids. No relapses of joint and tendon involvement was observed during the following five-month period. The clinico-pathogenetic implications suggested by this case are discussed.
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