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  Indian J Med Microbiol
 

Figure 1: Abnormal histopathology on haematoxylin and eosin staining of duodenum and colon biopsies in functional gastrointestinal disorders: (A) Duodenal biopsy showing eosinophilia in functional dyspepsia (×20). Haematoxylin and eosin stain showing clusters of eosinophils, circled (×40). (B) Biopsy of sigmoid colon with spirochaetosis, hazy blue 'fringe' (arrows) and clusters of subepithelial eosinophils (circled) in an irritable bowel syndrome case (×40). Haematoxylin and eosin stain inset (×40) showing immunocytochemistry for Spirochaetes on surface of epithelium (arrows).

Figure 1: Abnormal histopathology on haematoxylin and eosin staining of duodenum and colon biopsies in functional gastrointestinal disorders: (<b>A</b>) Duodenal biopsy showing eosinophilia in functional dyspepsia (×20). Haematoxylin and eosin stain showing clusters of eosinophils, circled (×40). (<b>B</b>) Biopsy of sigmoid colon with spirochaetosis, hazy blue 'fringe' (arrows) and clusters of subepithelial eosinophils (circled) in an irritable bowel syndrome case (×40). Haematoxylin and eosin stain inset (×40) showing immunocytochemistry for <i>Spirochaetes</i> on surface of epithelium (arrows).