Figure 3: Histopathology images. (a) Ileal biopsy low power view (H and E; 10×) showing pink eosinophilic material in lamina propria and submucosa. (b) Duodenal biopsy (H and E; 20×) showing similar material in lamina propria. (c) Blood vessels showing deposits. (d) Green birefringence under polarized light