granulomatosis with polyangiitishypertrophic pachymeningitissigmoid sinus thrombosisprogressive mononeuritis multiplexvasculitisdiffuse alveolar haemorrhageavacopancorticosteroidsintravenous cyclophosphamiderituximab
…s cyclophosphamide and corticosteroids as induction therapy for granulomatosis with polyangiitis. Unfortunately, during the induction phase, he developed diffus…