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Table 3 Characteristics of patients who did not meet the case definition

From: Children from Baffin Island have a disproportionate burden of tuberculosis in Canada: data from the Children's Hospital of Eastern Ontario (1998-2008)

Case

Presentation

Investigations/course

1

Lung abscess

TST and TB cultures negative

Improved on antibacterial therapy

2

Inpatient from Baffin Island

TST 10 mm

No consistent symptoms

CXR not suggestive, TB cultures negative

3

Abdominal pain

TST 15 mm

Stool positive for Ascaris Lumbricoides

Patient improved on anthelmintic therapy

LTBI treated

4

Child from Baffin Island with respiratory symptoms

Positive TST on history

No consistent symptoms, TST negative, CXR not suggestive, TB cultures negative

5

SVCO syndrome

TST 20 mm

Mediastinal germ cell tumor diagnosed

Cultures and pathology negative for TB

LTBI treated

6

Abscess at BCG injection site

BCG abscess diagnosed

7

Acute bacterial pneumonia

TST and TB cultures negative

Improved on antibacterial therapy

8

TB contact on history

TST 6 mm

CXR: right hilar LAD

No consistent symptoms, TB cultures negative (3 GWs), immunocompetent

  1. LTBI: latent tuberculous infection; SVCO: superior vena cava obstruction syndrome; GW: gastric washing