Distribution of solitary pulmonary nodules according to diagnosis and results from methoxy isobutyl isonitrile(MIBI) single photon emission computed tomography (SPECT) imaging
| Clinical diagnosis | Patients n | Results from MIBI-SPECT |
| Malignant tumours | 13 | |
| Adenocarcinoma | 6 | True positive 12 |
| Squamous cell carcinoma | 1 | |
| Nonsmall cell lung cancer | 4 | |
| Small cell lung cancer | 1 | |
| Poorly differentiated carcinoma | 1 | False negative 1 |
| Benign lesions | 36 | |
| Granuloma | 20 | True negative 33 |
| Tuberculous granuloma | 11 | |
| Rounded pneumonia | 2 | |
| Silicosis/granuloma | 1 | False positive 3 |
| Active tuberculosis | 1 | |
| Aspergilloma | 1 |