Review Article
A Comprehensive Review of Infectious Granulomatous Diseases of the Gastrointestinal Tract
Table 4
Comparison of histological features between
Mycobacterium tuberculosis,
Yersinia, and Crohn’s disease [
2,
75].
| Histopathological features | Tuberculosis | Yersinia spp. | Crohn’s disease |
| Number of granulomas | Numerous | Numerous | Few | Size of granulomas | Large (>200 μm) | Large | Small (<200 μm) | Other granuloma features: | | | | (i) Caseating | Common | Few | Absent | (ii) Confluence | Common | Common | Absent | (iii) Prominent lymphoid cuff | Common | Common | Uncommon | (iv) Lymphoid hyperplasia | Common | Very common | Uncommon | (v) Architectural distortion | Common | Common | Common | (vi) Ulcers (deep and aphthous) | Common | Common | Common | (vii) Changes of chronicity unassociated with sites of granulomatous inflammation | Absent | Absent | Common | Multiple sites of involvement | Common | Rare | Common | Cobble-stoning of mucosa | Uncommon | Uncommon | Common | Fistulas | Uncommon | Rare | Common | Anal or perianal disease | Rare | Absent | Common |
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