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Table 1 PET and MR findings in the 9 contacts with abnormal scans

From: Sub-clinical abnormalities detected by PET/MRI in household tuberculosis contacts

Patient ID Smoking history Finding(s) on CXR Finding(s) on analysis of MRI images alone Findings on analysis of combined PET/MRI images (SUVmax) Highest SUVmax IGRA Quantitative IGRA (IU/ml)
2 Never smoked Nil Nil 1 right hilar LN (3.2) 3.2 Positive 2.12
3 Never smoked Nil 15 mm RUL nodule 1 RUL nodule (3.9)
1 mediastinal LN (3.1)
3.9 Positive 1.82
8 Current smoker Nil Nil 4 bilateral mediastinal nodes (2.1–2.5)
2 bilateral hilar nodes (1.6–2.4)
2.5 Positive 7.36
9 Never smoked Nil Nil Diffuse LUL parenchymal uptake (2.2)
No underlying MRI changes
2.2 Negative 0.01
12 Never smoked Nil Nil 1 right hilar LN (2.6) 2.6 Positive 0.58
14 Never smoked Nil Nil RUL parenchymal uptake (1.3)
Small lesion identified on MRI images underlying the FDG uptake
1.3 Negative 0.00
16 Ex-smoker Nil Nil Patchy RML parenchymal uptake (2.8)
Bilateral patchy changes identified on MRI. The area of RML uptake overlies an area of MRI abnormality
2.8 Negative 0.01
18 Never smoked Nil Nil 1 right hilar LN (2.2) 2.2 Negative 0.00
30 Never smoked Nil Nil 2 bilateral mediastinal LN (2.2–2.3)
8 bilateral hilar LN (2.6–2.8)
2.8 Negative 0.00