Histopathological atlas of renal diseases: ANCA-associated vasculitis (first part)

Franco Ferrario, Maria P. Rastaldi

Research output: Contribution to journalArticlepeer-review


"ANCA-associated vasculitis" are Wegener's Granulomatosis, Micropolyarteritis and its renal-limited variant (previously called idiopathic necrotizing glomerulonephritis). According to the "Chapel Hill Consensus Conference" classification, ANCA-associated vasculitis are characterized by prevalent involvement of small-size vessels, whereas medium and large-size arteries involvement is the marker of Polyarteritis Nodosa. But the vessel size-based classification is not always powerful enough, because also in ANCA-associated vasculitis the involvement of medium and large-size arteries if frequent. The distinctive marker of ANCA-associated renal vasculitis has therefore become the presence of necrotizing extracapillary glomerulonephritis, that is always absent in Polyarteritis Nodosa.

Original languageEnglish
Pages (from-to)113-116
Number of pages4
JournalJournal of Nephrology
Issue number2
Publication statusPublished - Mar 2005


  • Arteritis
  • Extracapillary proliferation
  • Granulomatous like reaction
  • Necrotizing glomerulonephritis

ASJC Scopus subject areas

  • Nephrology


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