PMC5661089_01
((a), (b)) Unremarkable glomeruli with acute tubular injury with scattered inflammatory cells and intratubular granular-pigmented cast and (c) Prussian blue stain highlighting the intratubular and intraglomerular pigmented cast.
CRIPE2017-5184587.001.jpg
PMC5661089_01_CRIPE2017-5184587.001.jpg
fig1
The kidneys at autopsy showed proximal tubular dilatation with flattened epithelium; many of the dilated tubules contained reddish casts (Figures 1(a) and 1(b)). These casts stained positively for iron with the Prussian blue stain (Figure 1(c)).