Neuroblastoma investigation results in patients with OMS according to tumour location and imaging modality
| Tumour location | Investigation | Positive result | Negative result | Not performed | Detection rate* |
|---|---|---|---|---|---|
| Thoracic (7 cases) | CXR | 5 | 2 | 0 | 71% |
| CT/MRI | 5 | 0 | 2 | 100% | |
| MIBG | 5 | 1 | 1 | 83% | |
| Abdominal/pelvic (14 cases) | US abdomen | 8 | 1 | 5 | 89% |
| CT/MRI | 10 | 0 | 4 | 100% | |
| MIBG | 7 | 3 | 4 | 70% | |
| Urine catecholamines | 5 | 16 | 0 | 24% | |
↵* CT/MRI used as reference standard.
CXR, chest x-ray; MIBG, metaiodobenzylguanidine; OMS, opsoclonus-myoclonus syndrome; US, ultrasound.