We report the case of a 69-year-old male patient who was admitted for fever, dry cough, recurrent sinusitis with epistaxis, anorexia with weight loss of 20 kg over a 3-month period, myalgia, and mononeuritis multiplex. He was diagnosed with pANCA/anti-MPO associated vasculitis and rectal adenocarcinoma. The tumor was treated by surgical resection. Recurrence of vasculitis occurred during steroid tapering which prompted us to add Mycophenolate mofetyl. A complete remission was achieved. We conclude that in the present case the vasculitis was an independent disease, not a paraneoplastic phenomenon. We discuss the value of different ANCA serologies for diagnostics and follow-up, the epidemiology of vasculitis associated with malignancy, and the concept of vasculitis as a paraneoplastic syndrome.
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Hommel, C., Rihova, Z., Mokaddem, F., & Libotte, B. (2014). PANCA-vasculitis associated with rectal adenocarcinoma. Acta Clinica Belgica (Multilingual Edition), 69(6), 463-466. https://doi.org/10.1179/2295333714Y.0000000064 (Original work published 2014)