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Microscopic polyangiitis

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Microscopic polyangiitis is a vasculitis.[1] It preferentially attacks the kidneys and the lungs.


Common manifestations are:



Anti-neutrophil cytoplasmic antibodies (ANCA) are usually elevated. Characteristically, there are no immunoglobulin deposits.


  1. 1.0 1.1 1.2 Bosch X, Guilabert A, Font J (2006). "Antineutrophil cytoplasmic antibodies.". Lancet 368 (9533): 404-18. DOI:10.1016/S0140-6736(06)69114-9. PMID 16876669. Research Blogging.
  2. Cattaneo L, Chierici E, Pavone L, Grasselli C, Manganelli P, Buzio C et al. (2007). "Peripheral neuropathy in Wegener's granulomatosis, Churg-Strauss syndrome and microscopic polyangiitis.". J Neurol Neurosurg Psychiatry 78 (10): 1119-23. DOI:10.1136/jnnp.2006.111013. PMID 17299018. Research Blogging.