Snijders, Malou L. H., Van de Wall-Neecke, Bojou J., Hesselink, Dennis A., Becker, Jan U. and Clahsen-van Groningen, Marian C. (2020). Utility of immunohistochemistry with C3d in C3 glomerulopathy. Mod. Pathol., 33 (3). S. 431 - 440. NEW YORK: NATURE PUBLISHING GROUP. ISSN 1530-0285

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Abstract

C3-dominance by immunofluorescence is a defining feature in the diagnosis of C3 glomerulopathy. Most pathologists stain for C3c, which has been reported as a trace/negative even in otherwise clear-cut cases of dense deposit disease. We investigated the usefulness of C3d immunohistochemistry in biopsies with C3 glomerulopathy as an ancillary diagnostic tool. All biopsies from patients diagnosed with C3 glomerulopathy in the period January 2005 to June 2017 in the Erasmus MC, Rotterdam were included (n = 14; 10 C3 glomerulonephritis, 4 dense deposit disease). The staining pattern of C3d and C4d by immunohistochemistry was analyzed. As controls, biopsies from patients with immune complex membranoproliferative glomerulonephritis (n = 2), infection-associated glomerulonephritis (n = 6), pauci-immune crescentic glomerulonephritis (n = 7), tubulointerstitial nephritis (n = 7) and chronic-active antibody-mediated rejection (n = 9) were included. All 14 biopsies with C3 glomerulopathy showed a C3d score of >= 2, including two clear-cut biopsies with C3 glomerulopathy originally showing a trace/negative staining for C3c. In the control group, a C3d score >= 2 was observed in 11 biopsies (35%; 2 with immune complex membranoproliferative glomerulonephritis (100%), 6 with infection-associated glomerulonephritis (100%), 1 with pauci-immune crescentic glomerulonephritis (14%), 1 with tubulointerstitial nephritis (14%) and 1 with chronic-active antibody-mediated rejection (11%)). C4d was positive in 71% of the biopsies with C3 glomerulopathy (10/14). In conclusion, C3d immunohistochemistry is a valuable tool in the diagnosis of C3 glomerulopathy, especially in cases in which C3c immunofluorescence shows a trace/negative. We recommend the use of C3d in addition to C3c in cases suspicious for C3 glomerulopathy.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Snijders, Malou L. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Van de Wall-Neecke, Bojou J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hesselink, Dennis A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Becker, Jan U.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Clahsen-van Groningen, Marian C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-342882
DOI: 10.1038/s41379-019-0348-z
Journal or Publication Title: Mod. Pathol.
Volume: 33
Number: 3
Page Range: S. 431 - 440
Date: 2020
Publisher: NATURE PUBLISHING GROUP
Place of Publication: NEW YORK
ISSN: 1530-0285
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
DENSE DEPOSIT DISEASE; MEMBRANOUS-LIKE GLOMERULOPATHY; MEMBRANOPROLIFERATIVE GLOMERULONEPHRITIS; COMPLEMENT ACTIVATION; MONOCLONAL GAMMOPATHY; ALTERNATIVE PATHWAY; C4D; IMMUNOFLUORESCENCEMultiple languages
PathologyMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/34288

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