PMC4857315_01
Glomerulus showing focal mesangial proliferation and a fibrocellular crescent in the lower part of the glomerulus (H&E stain).
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In two of the glomeruli, a fibrocellular crescent was seen (Figure 1).
Immunofluorescence with IgA showing strong positive staining along the GBM.
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Immunofluorescence was strongly positive for IgA along the GBM and in the mesangium (Figure 2).
Colon biopsy showing heavy cellular infiltrate with crypt abscesses.
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There were multiple crypt abscesses and foci of cryptitis (Figure 3).