Table 3 Colonoscopy findings in patients with negative BD-Max.

From: Mapping of etiologies of computed tomography-proven acute colitis: a prospective cohort study

Diagnosis

Patients, n (%)

Histology

Patients, n (%)

Positive FilmArray assay, n (%)

Pathogens, n

Normal or aspecific inflammation

62 (72.1%)

Inflammation

8 (12.9%)

2 (25%)

EAEC, 1*

Campylobacter spp. + Norovirus, 1

Eosinophilic infiltration

28 (45.2%)

7 (25%)

Clostridioides difficile, 2

EPEC, 1*

Vibrio spp., 1

Entamoeba histolytica, 1

EAEC + Rotavirus, 1

Yersinia spp. + ETEC, 1

No inflammation

10 (16.1%)

2 (20%)

EAEC, 2*

No biopsy

16 (25.8%)

3 (18.8%)

EPEC, 2*

Clostridium difficile 1

Ischemic colitis

20 (23.3%)

  

4 (20%)

Clostridioides difficile, 1

Sapovirus, 1

EAEC, 1*

EPEC, 1*

Inflammatory bowel disease

4 (4.7%)

Ulcerative colitis

3 (75%)

0 (0%)

Crohn’s disease

1 (25%)

0 (0%)

Adenocarcinoma

0 (0%)

  

Polyp

8 (9.3%)

Hyperplasic polyp

2 (25%)

  

Low grade adenoma

6 (75%)

High grade adenoma

0 (0%)

Total

86

  

18 (20.9%)

 
  1. Colonoscopy was performed in patients with negative BD-Max. Biopsies were taken and sent for histological analysis.
  2. *Considered as carriage.