Fig. 4From: Crescentic glomerulonephritis associated with syphilis: a case report and review of the literatureImmunohistochemistry against rabbit polyclonal anti-Treponema pallidum antibody (Biocare Medical, Pacheco, CA, USA, 1:100 dilution) in glomerulus (a) and tubulointerstitial region (b). Arrowheads indicate positively stained bacteria, suggesting Treponema pallidum. The bar indicates 50 μmBack to article page