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 |