AI Article Synopsis
- A 58-year-old woman with papillary thyroid carcinoma had increased thyroglobulin levels and showed focal uptake in the thoracic spine on a whole body 123I scan, indicating possible bone metastases.
- Subsequent imaging with (18)FDG PET and (99m)Tc HDP bone scans returned normal results, raising questions about the initial findings.
- MRI and CT scans ultimately revealed benign vertebral haemangiomas, highlighting the importance of considering false-positive results on 123I scans in similar cases.
Article Abstract
We present a case of a 58-year-old woman with papillary carcinoma of the thyroid and elevated thyroglobulin. Whole body 123I scan with SPECT images demonstrated focal uptake in the thoracic spine, reported as bone metastases. Subsequent (18)FDG PET and (99m)Tc HDP bone were normal. MRI and CT scans confirmed the presence of vertebral haemangiomas corresponding to the uptake seen on the (123)I scan. False-positive uptake of (123)I in benign vertebral haemangiomas should be considered in the differential diagnosis of focal vertebral uptake.
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