Table 2 CT imaging features of broncho-esophageal fistula secondary to esophageal diverticulum

Direct connection identified

17

100

Diameter of fistula, mean(mm)

4.40 ± 1.81

Esophageal dilation with air

9

52.9

Esophageal wall thickening

6

35.3

Location of fistula on the esophageal side

 Mid-thoracic esophagus

15

88.2

 Lower thoracic esophagus

2

11.8

Involved bronchus

 Right middle lobe bronchus

1

5.9

 Right lower lobe bronchus

13

76.5

 Left lower lobe bronchus

3

17.6

Airway wall thickening

12

70.6

Pulmonary abnormality

 Bronchiectasis

15

88.2

 Consolidation

11

64.7

 Ground glass opacity

9

52.9

 Scatter pulmonary emphysema

2

11.8

Pleural thickening

6

35.3

Pleural effusion

2

11.8

Location of pneumonia

 Para-spine

15

88.2

 Other locations

2

11.8