Table 2.
Advanced investigations performed prior to PET/CT scan.
| Investigation | n (%) |
|---|---|
| Echocardiography | 20 (40%) |
| Computed tomography (CT) | |
| Thoracic CT | 39 (78%) |
| Abdominal CT | 36 (72%) |
| Cervical CT | 8 (16%) |
| Cerebral CT | 7 (14%) |
| Magnetic Resonance Imaging (MRI) | |
| Abdominal MRI | 7 (14%) |
| Lumbar spine MRI | 4 (8%) |
| Cerebral MRI | 3 (6%) |
| Cervical spine MRI | 1 (2%) |
| Endoscopy | |
| Gastroscopy | 4 (8%) |
| Colonoscopy | 4 (8%) |
| Bronchoscopy | 3 (6%) |
| Nuclear medicine procedures | |
| 99mTc-MDP bone scan | 2 (4%) |
| 99mTc-HMPAO-labeled leucocyte scan | 1 (2%) |
| 99mTc-pertechnetate thyroid scan | 1 (2%) |
| 99mTc-MAG-3 Renogram | 1 (2%) |
| Biopsies | |
| Lymph node or parenchymal organ biopsy | 7 (14%) |
| Bone marrow biopsy | 9 (18%) |
| Temporal artery biopsy | 3 (6%) |
n, number of patients; MDP, methylene diphosphonate; HMPAO, hexamethylpropylene-amine oxime; MAG-3, mercapto-acetyl-triglycine. PET/CT, fluorodeoxyglucose positron emission tomography/computed tomography.