PMC5148768_01
Bladder biopsy section. Haematoxyline & Eosin section illustrates dense amphorous pink acellular material with the presence of an edge of benign uroithelium.
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Histology revealed transitional epithelium with extensive areas of amorphous eosinophillic material with foci of embedded transitional epithelium (Fig. 1).
Histology section from bladder biopsy illustrates amorphorous material present following congo-red staining, consistent with amyloid deposits.
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Congo-red staining was brightly organeophillic with green-apple birefringence; these findings were consistent with amyloid deposits (Fig. 2).