Do not request the dosage of ANCA (antibodies against the cytoplasm of neutrophils) only in the presence of a clinical suspicion of connectivitis, without adequate and documented evaluation or evident clinical suspect of a vasculitis.

Do not request the dosage of ANCA (antibodies against the cytoplasm of neutrophils) only in the presence of a clinical suspicion of connectivitis, without adequate and documented evaluation or evident clinical suspect of a vasculitis.

As is well known, ANCAs are associated with a group of small vessel vasculites called ANCA-associated vasculitis, which include microscopic polyangiitis, granulomatosis with polyangiitis (M. of Wegener) and eosinophilic granulomatosis with polyangiitis (m....