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Fig. 2 | BMC Nephrology

Fig. 2

From: A rare case of Alport syndrome, atypical hemolytic uremic syndrome and Pauci-immune crescentic glomerulonephritis

Fig. 2

Immunohistochemical evidence of complement pathway activation. a: Arteriolar C4d staining within intimal and adjacent media in vessels affected by acute thrombotic microangiopathy (biopsy #1) (× 400) b: Arteriolar C5b-9 (membrane attack complex) staining in affected vessels (biopsy #1) (× 400) c: Weak glomerular staining with C4d in a crescent (× 400) d: Glomerular C5b-9 staining predominantly within a cellular crescent (biopsy #2) (× 400)

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