Table 3.
Change in patients’ management after addition of SPECT/CT for characterization of RM lesion
| Cases | *Misdiagnosis before SPECT/CT | After additional SPECT/CT | Management changed |
|---|---|---|---|
| 1 | Bone metastases/colonic activity | Kidney and pancreas metastases | No |
| 2 | Head lesion (pituitary lesion/skull metastases) | Metastasis in Sella turcica | Prevent unnecessary surgery + RTH |
| 3 | Salivary activity | Muscle metastasis | No |
| 4 | Cervical LN | Para pharyngeal mass | No |
| 5 | Colonic activity/contamination | Solitary iliac bony mass | + RTH |
| 6 | Head lesion (bone /brain) | Solitary brain metastasis | + RTH |
| 7 | Chest lesion (Lung /bone) | Bone metastases from PTC | + RTH |
| 8 | Eye lesion (Eye melanoma/metastases) | Eye metastasis | Prevent surgery (eye enucleation) |
| 9 | Cervical LN | IJV malignant thrombosis | + surgical excision |
| 10 | Chest lesion (Lung /bone) | Bone metastasis from PTC | + RTH |
| 11 | Physiological renal activity | Renal metastases | NO |
| 12 | Primary brain tumor | Solitary Brain metastasis | + surgical excision Brain RTH |
| 13 | Metastases of unknown origin | DTC with iodine avid Brain and liver metastases | RAIT + Brain RTH |
| 14 | Cervical LNs | Para Pharyngeal LN | NO |
| 15 | Thyroid residual | Endotracheal metastasis | + RTH and CTH |
*Misdiagnosis occurred before additional SPECT/CT even in planar WBI scan or other diagnostic modalities (CT or MRI)
+ Addition
/Versus