Granulomas without foreign body giant cells in perianal fistula tissue suggest Crohn's disease.
Crohn disease
foreign‐body giant cells
granuloma
inflammatory bowel diseases
perianal fistula
Journal
Journal of digestive diseases
ISSN: 1751-2980
Titre abrégé: J Dig Dis
Pays: Australia
ID NLM: 101302699
Informations de publication
Date de publication:
01 Oct 2024
01 Oct 2024
Historique:
revised:
11
07
2024
received:
20
03
2024
accepted:
19
08
2024
medline:
1
10
2024
pubmed:
1
10
2024
entrez:
1
10
2024
Statut:
aheadofprint
Résumé
Histopathological characteristics of granulomas in perianal fistula of patients with Crohn's disease (CD) remain unexplored. We aimed to assess the histopathological features of granulomas in perianal fistula in CD. A retrospective analysis was conducted by reviewing the medical and pathological records of 4430 cases who underwent perianal fistulectomy at our hospital between June 2015 and June 2023. The patients were divided into the CD group, tuberculosis (TB), and non-CD group, respectively, based on their final diangosis. The detection rate of granulomas and differential histopathological features were investigated. Among the 4430 patients, granulomas were identified in 41 cases, including 25 had CD, 2 had pulmonary TB, and 14 only exhibiting perianal lesions with no other comorbidities. Additionally, there were altogether 93 CD cases, resulting in a detection rate of granuloma of 26.9%, which was considerably higher than that in the non-CD group (26.9% vs 0.3%, p < 0.001). The majority (85.7%) of the perianal fistula tissues in the non-CD group contained foreign body giant cells, while this was observed in only 1 (4.0%) out of the 25 cases with CD. We proposed that granulomas in the perianal fistula in the non-CD group were mostly foreign body granulomas. Moreover, granulomas in the non-CD group were larger than that of the CD group (1135 μm vs 519 μm, p < 0.001). Most CD cases have less granulomas (≤3) and no foreign body giant cells. Ribbon-like granulomas can be seen only in CD cases.
Identifiants
pubmed: 39350692
doi: 10.1111/1751-2980.13312
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2024 The Author(s). Journal of Digestive Diseases published by Chinese Medical Association Shanghai Branch, Chinese Society of Gastroenterology, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine and John Wiley & Sons Australia, Ltd.
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