antineutrophil cytoplasmic antibody

noun
an·​ti·​neu·​tro·​phil cytoplasmic antibody | \ -ˈn(y)ü-trə-ˌfil- How to pronounce antineutrophil cytoplasmic antibody (audio) \
variants: also antineutrophilic cytoplasmic antibody \ -​ˌn(y)ü-​trə-​ˈfil-​ik How to pronounce antineutrophil cytoplasmic antibody (audio) \

Medical Definition of antineutrophil cytoplasmic antibody

: any of a group of autoantibodies that bind to cytoplasmic regions of neutrophils and are associated with diseases (such as granulomatosis with polyangiitis, Churg-Strauss syndrome, and polyarteritis nodosa) characterized by inflammation of small blood vessels A positive test for antineutrophil cytoplasmic antibody may be associated with a vasculitis of the skin …— Barbara J. Rutledge, Skin and Allergy News … a test that seeks the antineutrophilic cytoplasmic antibody (ANCA), and is generally diagnostic of vasculitis, but not specific enough to be definitive.— Robert G. Lahita and Ina L. Yalof, Women and Autoimmune Disease: The Mysterious Ways Your Body Betrays Itself abbreviation ANCA

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Cite this Entry

“Antineutrophil cytoplasmic antibody.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/antineutrophil%20cytoplasmic%20antibody. Accessed 30 Jun. 2022.

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